28918904

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{821}}^1$

素因数の和:888

約数の個数: 64

約数和(自身を含む): 67469760

約数和(自身を除く): 38550856

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 34, 37, 56, 68, 74, 119, 136, 148, 238, 259, 296, 476, 518, 629, 821, 952, 1036, 1258, 1642, 2072, 2516, 3284, 4403, 5032, 5747, 6568, 8806, 11494, 13957, 17612, 22988, 27914, 30377, 35224, 45976, 55828, 60754, 97699, 111656, 121508, 195398, 212639, 243016, 390796, 425278, 516409, 781592, 850556, 1032818, 1701112, 2065636, 3614863, 4131272, 7229726, 14459452, 28918904]

約数ペア:

[(1, 28918904), (2, 14459452), (4, 7229726), (7, 4131272), (8, 3614863), (14, 2065636), (17, 1701112), (28, 1032818), (34, 850556), (37, 781592), (56, 516409), (68, 425278), (74, 390796), (119, 243016), (136, 212639), (148, 195398), (238, 121508), (259, 111656), (296, 97699), (476, 60754), (518, 55828), (629, 45976), (821, 35224), (952, 30377), (1036, 27914), (1258, 22988), (1642, 17612), (2072, 13957), (2516, 11494), (3284, 8806), (4403, 6568), (5032, 5747)]