123581776

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{10987}}^1$

素因数の和:11051

約数の個数: 40

約数和(自身を含む): 258877280

約数和(自身を除く): 135295504

約数列:

[1, 2, 4, 8, 16, 19, 37, 38, 74, 76, 148, 152, 296, 304, 592, 703, 1406, 2812, 5624, 10987, 11248, 21974, 43948, 87896, 175792, 208753, 406519, 417506, 813038, 835012, 1626076, 1670024, 3252152, 3340048, 6504304, 7723861, 15447722, 30895444, 61790888, 123581776]

約数ペア:

[(1, 123581776), (2, 61790888), (4, 30895444), (8, 15447722), (16, 7723861), (19, 6504304), (37, 3340048), (38, 3252152), (74, 1670024), (76, 1626076), (148, 835012), (152, 813038), (296, 417506), (304, 406519), (592, 208753), (703, 175792), (1406, 87896), (2812, 43948), (5624, 21974), (10987, 11248)]