217257424

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{647}}^1\times {\mathrm{677}}^1$

素因数の和:1363

約数の個数: 40

約数和(自身を含む): 435829248

約数和(自身を除く): 218571824

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 647, 677, 1294, 1354, 2588, 2708, 5176, 5416, 10352, 10832, 20057, 20987, 40114, 41974, 80228, 83948, 160456, 167896, 320912, 335792, 438019, 876038, 1752076, 3504152, 7008304, 13578589, 27157178, 54314356, 108628712, 217257424]

約数ペア:

[(1, 217257424), (2, 108628712), (4, 54314356), (8, 27157178), (16, 13578589), (31, 7008304), (62, 3504152), (124, 1752076), (248, 876038), (496, 438019), (647, 335792), (677, 320912), (1294, 167896), (1354, 160456), (2588, 83948), (2708, 80228), (5176, 41974), (5416, 40114), (10352, 20987), (10832, 20057)]