71619457

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{239}}^1$

素因数の和:385

約数の個数: 32

約数和(自身を含む): 91929600

約数和(自身を除く): 20310143

約数列:

[1, 7, 13, 37, 89, 91, 239, 259, 481, 623, 1157, 1673, 3107, 3293, 3367, 8099, 8843, 21271, 21749, 23051, 42809, 61901, 114959, 148897, 276523, 299663, 787027, 804713, 1935661, 5509189, 10231351, 71619457]

約数ペア:

[(1, 71619457), (7, 10231351), (13, 5509189), (37, 1935661), (89, 804713), (91, 787027), (239, 299663), (259, 276523), (481, 148897), (623, 114959), (1157, 61901), (1673, 42809), (3107, 23051), (3293, 21749), (3367, 21271), (8099, 8843)]