999955149928

素因数分解:

$2^3\times 7^1\times {\mathrm{181}}^1\times {\mathrm{821}}^1\times {\mathrm{120163}}^1$

素因数の和:121178

約数の個数: 64

約数和(自身を含む): 2157241806720

約数和(自身を除く): 1157286656792

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 181, 362, 724, 821, 1267, 1448, 1642, 2534, 3284, 5068, 5747, 6568, 10136, 11494, 22988, 45976, 120163, 148601, 240326, 297202, 480652, 594404, 841141, 961304, 1040207, 1188808, 1682282, 2080414, 3364564, 4160828, 6729128, 8321656, 21749503, 43499006, 86998012, 98653823, 152246521, 173996024, 197307646, 304493042, 394615292, 608986084, 690576761, 789230584, 1217972168, 1381153522, 2762307044, 5524614088, 17856341963, 35712683926, 71425367852, 124994393741, 142850735704, 249988787482, 499977574964, 999955149928]

約数ペア:

[(1, 999955149928), (2, 499977574964), (4, 249988787482), (7, 142850735704), (8, 124994393741), (14, 71425367852), (28, 35712683926), (56, 17856341963), (181, 5524614088), (362, 2762307044), (724, 1381153522), (821, 1217972168), (1267, 789230584), (1448, 690576761), (1642, 608986084), (2534, 394615292), (3284, 304493042), (5068, 197307646), (5747, 173996024), (6568, 152246521), (10136, 98653823), (11494, 86998012), (22988, 43499006), (45976, 21749503), (120163, 8321656), (148601, 6729128), (240326, 4160828), (297202, 3364564), (480652, 2080414), (594404, 1682282), (841141, 1188808), (961304, 1040207)]