31005416

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1$

素因数の和:139

約数の個数: 96

約数和(自身を含む): 71150400

約数和(自身を除く): 40144984

約数列:

[1, 2, 4, 8, 13, 17, 19, 26, 34, 38, 52, 68, 71, 76, 104, 136, 142, 152, 169, 221, 247, 284, 323, 338, 442, 494, 568, 646, 676, 884, 923, 988, 1207, 1292, 1349, 1352, 1768, 1846, 1976, 2414, 2584, 2698, 2873, 3211, 3692, 4199, 4828, 5396, 5746, 6422, 7384, 8398, 9656, 10792, 11492, 11999, 12844, 15691, 16796, 17537, 22933, 22984, 23998, 25688, 31382, 33592, 35074, 45866, 47996, 54587, 62764, 70148, 91732, 95992, 109174, 125528, 140296, 183464, 203983, 218348, 227981, 298129, 407966, 436696, 455962, 596258, 815932, 911924, 1192516, 1631864, 1823848, 2385032, 3875677, 7751354, 15502708, 31005416]

約数ペア:

[(1, 31005416), (2, 15502708), (4, 7751354), (8, 3875677), (13, 2385032), (17, 1823848), (19, 1631864), (26, 1192516), (34, 911924), (38, 815932), (52, 596258), (68, 455962), (71, 436696), (76, 407966), (104, 298129), (136, 227981), (142, 218348), (152, 203983), (169, 183464), (221, 140296), (247, 125528), (284, 109174), (323, 95992), (338, 91732), (442, 70148), (494, 62764), (568, 54587), (646, 47996), (676, 45866), (884, 35074), (923, 33592), (988, 31382), (1207, 25688), (1292, 23998), (1349, 22984), (1352, 22933), (1768, 17537), (1846, 16796), (1976, 15691), (2414, 12844), (2584, 11999), (2698, 11492), (2873, 10792), (3211, 9656), (3692, 8398), (4199, 7384), (4828, 6422), (5396, 5746)]