1818289128

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{233}}^1\times {\mathrm{617}}^1$

素因数の和:907

約数の個数: 128

約数和(自身を含む): 4997790720

約数和(自身を除く): 3179501592

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 24, 31, 34, 51, 62, 68, 93, 102, 124, 136, 186, 204, 233, 248, 372, 408, 466, 527, 617, 699, 744, 932, 1054, 1234, 1398, 1581, 1851, 1864, 2108, 2468, 2796, 3162, 3702, 3961, 4216, 4936, 5592, 6324, 7223, 7404, 7922, 10489, 11883, 12648, 14446, 14808, 15844, 19127, 20978, 21669, 23766, 28892, 31467, 31688, 38254, 41956, 43338, 47532, 57381, 57784, 62934, 76508, 83912, 86676, 95064, 114762, 122791, 125868, 143761, 153016, 173352, 229524, 245582, 251736, 287522, 325159, 368373, 431283, 459048, 491164, 575044, 650318, 736746, 862566, 975477, 982328, 1150088, 1300636, 1473492, 1725132, 1950954, 2443937, 2601272, 2946984, 3450264, 3901908, 4456591, 4887874, 7331811, 7803816, 8913182, 9775748, 13369773, 14663622, 17826364, 19551496, 26739546, 29327244, 35652728, 53479092, 58654488, 75762047, 106958184, 151524094, 227286141, 303048188, 454572282, 606096376, 909144564, 1818289128]

約数ペア:

[(1, 1818289128), (2, 909144564), (3, 606096376), (4, 454572282), (6, 303048188), (8, 227286141), (12, 151524094), (17, 106958184), (24, 75762047), (31, 58654488), (34, 53479092), (51, 35652728), (62, 29327244), (68, 26739546), (93, 19551496), (102, 17826364), (124, 14663622), (136, 13369773), (186, 9775748), (204, 8913182), (233, 7803816), (248, 7331811), (372, 4887874), (408, 4456591), (466, 3901908), (527, 3450264), (617, 2946984), (699, 2601272), (744, 2443937), (932, 1950954), (1054, 1725132), (1234, 1473492), (1398, 1300636), (1581, 1150088), (1851, 982328), (1864, 975477), (2108, 862566), (2468, 736746), (2796, 650318), (3162, 575044), (3702, 491164), (3961, 459048), (4216, 431283), (4936, 368373), (5592, 325159), (6324, 287522), (7223, 251736), (7404, 245582), (7922, 229524), (10489, 173352), (11883, 153016), (12648, 143761), (14446, 125868), (14808, 122791), (15844, 114762), (19127, 95064), (20978, 86676), (21669, 83912), (23766, 76508), (28892, 62934), (31467, 57784), (31688, 57381), (38254, 47532), (41956, 43338)]