664330390

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{113}}^1\times {\mathrm{25561}}^1$

素因数の和:25704

約数の個数: 32

約数和(自身を含む): 1258877376

約数和(自身を除く): 594546986

約数列:

[1, 2, 5, 10, 23, 46, 113, 115, 226, 230, 565, 1130, 2599, 5198, 12995, 25561, 25990, 51122, 127805, 255610, 587903, 1175806, 2888393, 2939515, 5776786, 5879030, 14441965, 28883930, 66433039, 132866078, 332165195, 664330390]

約数ペア:

[(1, 664330390), (2, 332165195), (5, 132866078), (10, 66433039), (23, 28883930), (46, 14441965), (113, 5879030), (115, 5776786), (226, 2939515), (230, 2888393), (565, 1175806), (1130, 587903), (2599, 255610), (5198, 127805), (12995, 51122), (25561, 25990)]