84887790

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{217661}}^1$

素因数の和:217684

約数の個数: 32

約数和(自身を含む): 219403296

約数和(自身を除く): 134515506

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 217661, 435322, 652983, 1088305, 1305966, 2176610, 2829593, 3264915, 5659186, 6529830, 8488779, 14147965, 16977558, 28295930, 42443895, 84887790]

約数ペア:

[(1, 84887790), (2, 42443895), (3, 28295930), (5, 16977558), (6, 14147965), (10, 8488779), (13, 6529830), (15, 5659186), (26, 3264915), (30, 2829593), (39, 2176610), (65, 1305966), (78, 1088305), (130, 652983), (195, 435322), (390, 217661)]