72665628

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{123581}}^1$

素因数の和:123602

約数の個数: 36

約数和(自身を含む): 197236872

約数和(自身を除く): 124571244

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 196, 294, 588, 123581, 247162, 370743, 494324, 741486, 865067, 1482972, 1730134, 2595201, 3460268, 5190402, 6055469, 10380804, 12110938, 18166407, 24221876, 36332814, 72665628]

約数ペア:

[(1, 72665628), (2, 36332814), (3, 24221876), (4, 18166407), (6, 12110938), (7, 10380804), (12, 6055469), (14, 5190402), (21, 3460268), (28, 2595201), (42, 1730134), (49, 1482972), (84, 865067), (98, 741486), (147, 494324), (196, 370743), (294, 247162), (588, 123581)]