78203944

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1$

素因数の和:203

約数の個数: 128

約数和(自身を含む): 195955200

約数和(自身を除く): 117751256

約数列:

[1, 2, 4, 7, 8, 13, 14, 17, 26, 28, 34, 52, 56, 68, 71, 89, 91, 104, 119, 136, 142, 178, 182, 221, 238, 284, 356, 364, 442, 476, 497, 568, 623, 712, 728, 884, 923, 952, 994, 1157, 1207, 1246, 1513, 1547, 1768, 1846, 1988, 2314, 2414, 2492, 3026, 3094, 3692, 3976, 4628, 4828, 4984, 6052, 6188, 6319, 6461, 7384, 8099, 8449, 9256, 9656, 10591, 12104, 12376, 12638, 12922, 15691, 16198, 16898, 19669, 21182, 25276, 25844, 31382, 32396, 33796, 39338, 42364, 44233, 50552, 51688, 62764, 64792, 67592, 78676, 82147, 84728, 88466, 107423, 109837, 125528, 137683, 157352, 164294, 176932, 214846, 219674, 275366, 328588, 353864, 429692, 439348, 550732, 575029, 657176, 751961, 859384, 878696, 1101464, 1150058, 1396499, 1503922, 2300116, 2792998, 3007844, 4600232, 5585996, 6015688, 9775493, 11171992, 19550986, 39101972, 78203944]

約数ペア:

[(1, 78203944), (2, 39101972), (4, 19550986), (7, 11171992), (8, 9775493), (13, 6015688), (14, 5585996), (17, 4600232), (26, 3007844), (28, 2792998), (34, 2300116), (52, 1503922), (56, 1396499), (68, 1150058), (71, 1101464), (89, 878696), (91, 859384), (104, 751961), (119, 657176), (136, 575029), (142, 550732), (178, 439348), (182, 429692), (221, 353864), (238, 328588), (284, 275366), (356, 219674), (364, 214846), (442, 176932), (476, 164294), (497, 157352), (568, 137683), (623, 125528), (712, 109837), (728, 107423), (884, 88466), (923, 84728), (952, 82147), (994, 78676), (1157, 67592), (1207, 64792), (1246, 62764), (1513, 51688), (1547, 50552), (1768, 44233), (1846, 42364), (1988, 39338), (2314, 33796), (2414, 32396), (2492, 31382), (3026, 25844), (3094, 25276), (3692, 21182), (3976, 19669), (4628, 16898), (4828, 16198), (4984, 15691), (6052, 12922), (6188, 12638), (6319, 12376), (6461, 12104), (7384, 10591), (8099, 9656), (8449, 9256)]