64767970

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{1193}}^1$

素因数の和:1350

約数の個数: 32

約数和(自身を含む): 119925360

約数和(自身を除く): 55157390

約数列:

[1, 2, 5, 10, 61, 89, 122, 178, 305, 445, 610, 890, 1193, 2386, 5429, 5965, 10858, 11930, 27145, 54290, 72773, 106177, 145546, 212354, 363865, 530885, 727730, 1061770, 6476797, 12953594, 32383985, 64767970]

約数ペア:

[(1, 64767970), (2, 32383985), (5, 12953594), (10, 6476797), (61, 1061770), (89, 727730), (122, 530885), (178, 363865), (305, 212354), (445, 145546), (610, 106177), (890, 72773), (1193, 54290), (2386, 27145), (5429, 11930), (5965, 10858)]