1618374408

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{1999}}^1$

素因数の和:2155

約数の個数: 128

約数和(自身を含む): 4761600000

約数和(自身を除く): 3143225592

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 61, 79, 84, 122, 158, 168, 183, 237, 244, 316, 366, 427, 474, 488, 553, 632, 732, 854, 948, 1106, 1281, 1464, 1659, 1708, 1896, 1999, 2212, 2562, 3318, 3416, 3998, 4424, 4819, 5124, 5997, 6636, 7996, 9638, 10248, 11994, 13272, 13993, 14457, 15992, 19276, 23988, 27986, 28914, 33733, 38552, 41979, 47976, 55972, 57828, 67466, 83958, 101199, 111944, 115656, 121939, 134932, 157921, 167916, 202398, 243878, 269864, 315842, 335832, 365817, 404796, 473763, 487756, 631684, 731634, 809592, 853573, 947526, 975512, 1105447, 1263368, 1463268, 1707146, 1895052, 2210894, 2560719, 2926536, 3316341, 3414292, 3790104, 4421788, 5121438, 6632682, 6828584, 8843576, 9633181, 10242876, 13265364, 19266362, 20485752, 26530728, 28899543, 38532724, 57799086, 67432267, 77065448, 115598172, 134864534, 202296801, 231196344, 269729068, 404593602, 539458136, 809187204, 1618374408]

約数ペア:

[(1, 1618374408), (2, 809187204), (3, 539458136), (4, 404593602), (6, 269729068), (7, 231196344), (8, 202296801), (12, 134864534), (14, 115598172), (21, 77065448), (24, 67432267), (28, 57799086), (42, 38532724), (56, 28899543), (61, 26530728), (79, 20485752), (84, 19266362), (122, 13265364), (158, 10242876), (168, 9633181), (183, 8843576), (237, 6828584), (244, 6632682), (316, 5121438), (366, 4421788), (427, 3790104), (474, 3414292), (488, 3316341), (553, 2926536), (632, 2560719), (732, 2210894), (854, 1895052), (948, 1707146), (1106, 1463268), (1281, 1263368), (1464, 1105447), (1659, 975512), (1708, 947526), (1896, 853573), (1999, 809592), (2212, 731634), (2562, 631684), (3318, 487756), (3416, 473763), (3998, 404796), (4424, 365817), (4819, 335832), (5124, 315842), (5997, 269864), (6636, 243878), (7996, 202398), (9638, 167916), (10248, 157921), (11994, 134932), (13272, 121939), (13993, 115656), (14457, 111944), (15992, 101199), (19276, 83958), (23988, 67466), (27986, 57828), (28914, 55972), (33733, 47976), (38552, 41979)]