31316153128

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{431}}^1\times {\mathrm{727}}^1$

素因数の和:1239

約数の個数: 96

約数和(自身を含む): 65581850880

約数和(自身を除く): 34265697752

約数列:

[1, 2, 4, 8, 13, 26, 31, 52, 62, 104, 124, 248, 403, 431, 727, 806, 862, 961, 1454, 1612, 1724, 1922, 2908, 3224, 3448, 3844, 5603, 5816, 7688, 9451, 11206, 12493, 13361, 18902, 22412, 22537, 24986, 26722, 37804, 44824, 45074, 49972, 53444, 75608, 90148, 99944, 106888, 173693, 180296, 292981, 313337, 347386, 414191, 585962, 626674, 694772, 698647, 828382, 1171924, 1253348, 1389544, 1397294, 1656764, 2343848, 2506696, 2794588, 3313528, 4073381, 5384483, 5589176, 8146762, 9082411, 9713447, 10768966, 16293524, 18164822, 19426894, 21537932, 32587048, 36329644, 38853788, 43075864, 72659288, 77707576, 126274811, 252549622, 301116857, 505099244, 602233714, 1010198488, 1204467428, 2408934856, 3914519141, 7829038282, 15658076564, 31316153128]

約数ペア:

[(1, 31316153128), (2, 15658076564), (4, 7829038282), (8, 3914519141), (13, 2408934856), (26, 1204467428), (31, 1010198488), (52, 602233714), (62, 505099244), (104, 301116857), (124, 252549622), (248, 126274811), (403, 77707576), (431, 72659288), (727, 43075864), (806, 38853788), (862, 36329644), (961, 32587048), (1454, 21537932), (1612, 19426894), (1724, 18164822), (1922, 16293524), (2908, 10768966), (3224, 9713447), (3448, 9082411), (3844, 8146762), (5603, 5589176), (5816, 5384483), (7688, 4073381), (9451, 3313528), (11206, 2794588), (12493, 2506696), (13361, 2343848), (18902, 1656764), (22412, 1397294), (22537, 1389544), (24986, 1253348), (26722, 1171924), (37804, 828382), (44824, 698647), (45074, 694772), (49972, 626674), (53444, 585962), (75608, 414191), (90148, 347386), (99944, 313337), (106888, 292981), (173693, 180296)]