408020795884

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{131}}^1\times {\mathrm{193}}^1\times {\mathrm{23873}}^1$

素因数の和:24227

約数の個数: 72

約数和(自身を含む): 783159067152

約数和(自身を除く): 375138271268

約数列:

[1, 2, 4, 13, 26, 52, 131, 169, 193, 262, 338, 386, 524, 676, 772, 1703, 2509, 3406, 5018, 6812, 10036, 22139, 23873, 25283, 32617, 44278, 47746, 50566, 65234, 88556, 95492, 101132, 130468, 310349, 328679, 620698, 657358, 1241396, 1314716, 3127363, 4034537, 4272827, 4607489, 6254726, 8069074, 8545654, 9214978, 12509452, 16138148, 17091308, 18429956, 40655719, 59897357, 81311438, 119794714, 162622876, 239589428, 528524347, 603581059, 778665641, 1057048694, 1207162118, 1557331282, 2114097388, 2414324236, 3114662564, 7846553767, 15693107534, 31386215068, 102005198971, 204010397942, 408020795884]

約数ペア:

[(1, 408020795884), (2, 204010397942), (4, 102005198971), (13, 31386215068), (26, 15693107534), (52, 7846553767), (131, 3114662564), (169, 2414324236), (193, 2114097388), (262, 1557331282), (338, 1207162118), (386, 1057048694), (524, 778665641), (676, 603581059), (772, 528524347), (1703, 239589428), (2509, 162622876), (3406, 119794714), (5018, 81311438), (6812, 59897357), (10036, 40655719), (22139, 18429956), (23873, 17091308), (25283, 16138148), (32617, 12509452), (44278, 9214978), (47746, 8545654), (50566, 8069074), (65234, 6254726), (88556, 4607489), (95492, 4272827), (101132, 4034537), (130468, 3127363), (310349, 1314716), (328679, 1241396), (620698, 657358)]