42857399984

素因数分解:

$2^4\times 7^3\times {\mathrm{1129}}^1\times {\mathrm{6917}}^1$

素因数の和:8075

約数の個数: 80

約数和(自身を含む): 96935016000

約数和(自身を除く): 54077616016

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 343, 392, 686, 784, 1129, 1372, 2258, 2744, 4516, 5488, 6917, 7903, 9032, 13834, 15806, 18064, 27668, 31612, 48419, 55321, 55336, 63224, 96838, 110642, 110672, 126448, 193676, 221284, 338933, 387247, 387352, 442568, 677866, 774494, 774704, 885136, 1355732, 1548988, 2372531, 2711464, 3097976, 4745062, 5422928, 6195952, 7809293, 9490124, 15618586, 18980248, 31237172, 37960496, 54665051, 62474344, 109330102, 124948688, 218660204, 382655357, 437320408, 765310714, 874640816, 1530621428, 2678587499, 3061242856, 5357174998, 6122485712, 10714349996, 21428699992, 42857399984]

約数ペア:

[(1, 42857399984), (2, 21428699992), (4, 10714349996), (7, 6122485712), (8, 5357174998), (14, 3061242856), (16, 2678587499), (28, 1530621428), (49, 874640816), (56, 765310714), (98, 437320408), (112, 382655357), (196, 218660204), (343, 124948688), (392, 109330102), (686, 62474344), (784, 54665051), (1129, 37960496), (1372, 31237172), (2258, 18980248), (2744, 15618586), (4516, 9490124), (5488, 7809293), (6917, 6195952), (7903, 5422928), (9032, 4745062), (13834, 3097976), (15806, 2711464), (18064, 2372531), (27668, 1548988), (31612, 1355732), (48419, 885136), (55321, 774704), (55336, 774494), (63224, 677866), (96838, 442568), (110642, 387352), (110672, 387247), (126448, 338933), (193676, 221284)]