1639841656

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{101}}^1\times {\mathrm{1489}}^1$

素因数の和:1672

約数の個数: 64

約数和(自身を含む): 3282768000

約数和(自身を除く): 1642926344

約数列:

[1, 2, 4, 8, 29, 47, 58, 94, 101, 116, 188, 202, 232, 376, 404, 808, 1363, 1489, 2726, 2929, 2978, 4747, 5452, 5858, 5956, 9494, 10904, 11716, 11912, 18988, 23432, 37976, 43181, 69983, 86362, 137663, 139966, 150389, 172724, 275326, 279932, 300778, 345448, 550652, 559864, 601556, 1101304, 1203112, 2029507, 4059014, 4361281, 7068283, 8118028, 8722562, 14136566, 16236056, 17445124, 28273132, 34890248, 56546264, 204980207, 409960414, 819920828, 1639841656]

約数ペア:

[(1, 1639841656), (2, 819920828), (4, 409960414), (8, 204980207), (29, 56546264), (47, 34890248), (58, 28273132), (94, 17445124), (101, 16236056), (116, 14136566), (188, 8722562), (202, 8118028), (232, 7068283), (376, 4361281), (404, 4059014), (808, 2029507), (1363, 1203112), (1489, 1101304), (2726, 601556), (2929, 559864), (2978, 550652), (4747, 345448), (5452, 300778), (5858, 279932), (5956, 275326), (9494, 172724), (10904, 150389), (11716, 139966), (11912, 137663), (18988, 86362), (23432, 69983), (37976, 43181)]