281212901038

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{389}}^1\times {\mathrm{311869}}^1$

素因数の和:312340

約数の個数: 32

約数和(自身を含む): 452460996000

約数和(自身を除く): 171248094962

約数列:

[1, 2, 19, 38, 61, 122, 389, 778, 1159, 2318, 7391, 14782, 23729, 47458, 311869, 450851, 623738, 901702, 5925511, 11851022, 19024009, 38048018, 121317041, 242634082, 361456171, 722912342, 2305023779, 4610047558, 7400339501, 14800679002, 140606450519, 281212901038]

約数ペア:

[(1, 281212901038), (2, 140606450519), (19, 14800679002), (38, 7400339501), (61, 4610047558), (122, 2305023779), (389, 722912342), (778, 361456171), (1159, 242634082), (2318, 121317041), (7391, 38048018), (14782, 19024009), (23729, 11851022), (47458, 5925511), (311869, 901702), (450851, 623738)]