388648

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{101}}^1$

素因数の和:157

約数の個数: 32

約数和(自身を含む): 813960

約数和(自身を除く): 425312

約数列:

[1, 2, 4, 8, 13, 26, 37, 52, 74, 101, 104, 148, 202, 296, 404, 481, 808, 962, 1313, 1924, 2626, 3737, 3848, 5252, 7474, 10504, 14948, 29896, 48581, 97162, 194324, 388648]

約数ペア:

[(1, 388648), (2, 194324), (4, 97162), (8, 48581), (13, 29896), (26, 14948), (37, 10504), (52, 7474), (74, 5252), (101, 3848), (104, 3737), (148, 2626), (202, 1924), (296, 1313), (404, 962), (481, 808)]