81645652

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{157}}^1\times {\mathrm{223}}^1$

素因数の和:448

約数の個数: 48

約数和(自身を含む): 160538112

約数和(自身を除く): 78892460

約数列:

[1, 2, 4, 11, 22, 44, 53, 106, 157, 212, 223, 314, 446, 583, 628, 892, 1166, 1727, 2332, 2453, 3454, 4906, 6908, 8321, 9812, 11819, 16642, 23638, 33284, 35011, 47276, 70022, 91531, 130009, 140044, 183062, 260018, 366124, 385121, 520036, 770242, 1540484, 1855583, 3711166, 7422332, 20411413, 40822826, 81645652]

約数ペア:

[(1, 81645652), (2, 40822826), (4, 20411413), (11, 7422332), (22, 3711166), (44, 1855583), (53, 1540484), (106, 770242), (157, 520036), (212, 385121), (223, 366124), (314, 260018), (446, 183062), (583, 140044), (628, 130009), (892, 91531), (1166, 70022), (1727, 47276), (2332, 35011), (2453, 33284), (3454, 23638), (4906, 16642), (6908, 11819), (8321, 9812)]