1981865844

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{229}}^1\times {\mathrm{563}}^1$

素因数の和:870

約数の個数: 144

約数和(自身を含む): 5855041920

約数和(自身を除く): 3873176076

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 61, 63, 84, 122, 126, 183, 229, 244, 252, 366, 427, 458, 549, 563, 687, 732, 854, 916, 1098, 1126, 1281, 1374, 1603, 1689, 1708, 2061, 2196, 2252, 2562, 2748, 3206, 3378, 3843, 3941, 4122, 4809, 5067, 5124, 6412, 6756, 7686, 7882, 8244, 9618, 10134, 11823, 13969, 14427, 15372, 15764, 19236, 20268, 23646, 27938, 28854, 34343, 35469, 41907, 47292, 55876, 57708, 68686, 70938, 83814, 97783, 103029, 125721, 128927, 137372, 141876, 167628, 195566, 206058, 240401, 251442, 257854, 293349, 309087, 386781, 391132, 412116, 480802, 502884, 515708, 586698, 618174, 721203, 773562, 880047, 902489, 961604, 1160343, 1173396, 1236348, 1442406, 1547124, 1760094, 1804978, 2163609, 2320686, 2707467, 2884812, 3520188, 3609956, 4327218, 4641372, 5414934, 7864547, 8122401, 8654436, 10829868, 15729094, 16244802, 23593641, 31458188, 32489604, 47187282, 55051829, 70780923, 94374564, 110103658, 141561846, 165155487, 220207316, 283123692, 330310974, 495466461, 660621948, 990932922, 1981865844]

約数ペア:

[(1, 1981865844), (2, 990932922), (3, 660621948), (4, 495466461), (6, 330310974), (7, 283123692), (9, 220207316), (12, 165155487), (14, 141561846), (18, 110103658), (21, 94374564), (28, 70780923), (36, 55051829), (42, 47187282), (61, 32489604), (63, 31458188), (84, 23593641), (122, 16244802), (126, 15729094), (183, 10829868), (229, 8654436), (244, 8122401), (252, 7864547), (366, 5414934), (427, 4641372), (458, 4327218), (549, 3609956), (563, 3520188), (687, 2884812), (732, 2707467), (854, 2320686), (916, 2163609), (1098, 1804978), (1126, 1760094), (1281, 1547124), (1374, 1442406), (1603, 1236348), (1689, 1173396), (1708, 1160343), (2061, 961604), (2196, 902489), (2252, 880047), (2562, 773562), (2748, 721203), (3206, 618174), (3378, 586698), (3843, 515708), (3941, 502884), (4122, 480802), (4809, 412116), (5067, 391132), (5124, 386781), (6412, 309087), (6756, 293349), (7686, 257854), (7882, 251442), (8244, 240401), (9618, 206058), (10134, 195566), (11823, 167628), (13969, 141876), (14427, 137372), (15372, 128927), (15764, 125721), (19236, 103029), (20268, 97783), (23646, 83814), (27938, 70938), (28854, 68686), (34343, 57708), (35469, 55876), (41907, 47292)]