1293923275

素因数分解:

$5^2\times {\mathrm{19}}^2\times {\mathrm{311}}^1\times {\mathrm{461}}^1$

素因数の和:820

約数の個数: 36

約数和(自身を含む): 1702484784

約数和(自身を除く): 408561509

約数列:

[1, 5, 19, 25, 95, 311, 361, 461, 475, 1555, 1805, 2305, 5909, 7775, 8759, 9025, 11525, 29545, 43795, 112271, 143371, 147725, 166421, 218975, 561355, 716855, 832105, 2724049, 2806775, 3584275, 4160525, 13620245, 51756931, 68101225, 258784655, 1293923275]

約数ペア:

[(1, 1293923275), (5, 258784655), (19, 68101225), (25, 51756931), (95, 13620245), (311, 4160525), (361, 3584275), (461, 2806775), (475, 2724049), (1555, 832105), (1805, 716855), (2305, 561355), (5909, 218975), (7775, 166421), (8759, 147725), (9025, 143371), (11525, 112271), (29545, 43795)]