1235260984

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{239}}^1\times {\mathrm{919}}^1$

素因数の和:1220

約数の個数: 64

約数和(自身を含む): 2517120000

約数和(自身を除く): 1281859016

約数列:

[1, 2, 4, 8, 19, 37, 38, 74, 76, 148, 152, 239, 296, 478, 703, 919, 956, 1406, 1838, 1912, 2812, 3676, 4541, 5624, 7352, 8843, 9082, 17461, 17686, 18164, 34003, 34922, 35372, 36328, 68006, 69844, 70744, 136012, 139688, 168017, 219641, 272024, 336034, 439282, 646057, 672068, 878564, 1292114, 1344136, 1757128, 2584228, 4173179, 5168456, 8126717, 8346358, 16253434, 16692716, 32506868, 33385432, 65013736, 154407623, 308815246, 617630492, 1235260984]

約数ペア:

[(1, 1235260984), (2, 617630492), (4, 308815246), (8, 154407623), (19, 65013736), (37, 33385432), (38, 32506868), (74, 16692716), (76, 16253434), (148, 8346358), (152, 8126717), (239, 5168456), (296, 4173179), (478, 2584228), (703, 1757128), (919, 1344136), (956, 1292114), (1406, 878564), (1838, 672068), (1912, 646057), (2812, 439282), (3676, 336034), (4541, 272024), (5624, 219641), (7352, 168017), (8843, 139688), (9082, 136012), (17461, 70744), (17686, 69844), (18164, 68006), (34003, 36328), (34922, 35372)]