389385431408

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{337}}^1\times {\mathrm{38189}}^1$

素因数の和:38626

約数の個数: 80

約数和(自身を含む): 793907162880

約数和(自身を除く): 404521731472

約数列:

[1, 2, 4, 8, 16, 31, 61, 62, 122, 124, 244, 248, 337, 488, 496, 674, 976, 1348, 1891, 2696, 3782, 5392, 7564, 10447, 15128, 20557, 20894, 30256, 38189, 41114, 41788, 76378, 82228, 83576, 152756, 164456, 167152, 305512, 328912, 611024, 637267, 1183859, 1274534, 2329529, 2367718, 2549068, 4659058, 4735436, 5098136, 9318116, 9470872, 10196272, 12869693, 18636232, 18941744, 25739386, 37272464, 51478772, 72215399, 102957544, 144430798, 205915088, 288861596, 398960483, 577723192, 785051273, 797920966, 1155446384, 1570102546, 1595841932, 3140205092, 3191683864, 6280410184, 6383367728, 12560820368, 24336589463, 48673178926, 97346357852, 194692715704, 389385431408]

約数ペア:

[(1, 389385431408), (2, 194692715704), (4, 97346357852), (8, 48673178926), (16, 24336589463), (31, 12560820368), (61, 6383367728), (62, 6280410184), (122, 3191683864), (124, 3140205092), (244, 1595841932), (248, 1570102546), (337, 1155446384), (488, 797920966), (496, 785051273), (674, 577723192), (976, 398960483), (1348, 288861596), (1891, 205915088), (2696, 144430798), (3782, 102957544), (5392, 72215399), (7564, 51478772), (10447, 37272464), (15128, 25739386), (20557, 18941744), (20894, 18636232), (30256, 12869693), (38189, 10196272), (41114, 9470872), (41788, 9318116), (76378, 5098136), (82228, 4735436), (83576, 4659058), (152756, 2549068), (164456, 2367718), (167152, 2329529), (305512, 1274534), (328912, 1183859), (611024, 637267)]