31939570

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{193}}^1$

素因数の和:299

約数の個数: 64

約数和(自身を含む): 66487680

約数和(自身を除く): 34548110

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 67, 95, 130, 134, 190, 193, 247, 335, 386, 494, 670, 871, 965, 1235, 1273, 1742, 1930, 2470, 2509, 2546, 3667, 4355, 5018, 6365, 7334, 8710, 12545, 12730, 12931, 16549, 18335, 25090, 25862, 33098, 36670, 47671, 64655, 82745, 95342, 129310, 165490, 168103, 238355, 245689, 336206, 476710, 491378, 840515, 1228445, 1681030, 2456890, 3193957, 6387914, 15969785, 31939570]

約数ペア:

[(1, 31939570), (2, 15969785), (5, 6387914), (10, 3193957), (13, 2456890), (19, 1681030), (26, 1228445), (38, 840515), (65, 491378), (67, 476710), (95, 336206), (130, 245689), (134, 238355), (190, 168103), (193, 165490), (247, 129310), (335, 95342), (386, 82745), (494, 64655), (670, 47671), (871, 36670), (965, 33098), (1235, 25862), (1273, 25090), (1742, 18335), (1930, 16549), (2470, 12931), (2509, 12730), (2546, 12545), (3667, 8710), (4355, 7334), (5018, 6365)]