90347790

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{231661}}^1$

素因数の和:231684

約数の個数: 32

約数和(自身を含む): 233515296

約数和(自身を除く): 143167506

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 231661, 463322, 694983, 1158305, 1389966, 2316610, 3011593, 3474915, 6023186, 6949830, 9034779, 15057965, 18069558, 30115930, 45173895, 90347790]

約数ペア:

[(1, 90347790), (2, 45173895), (3, 30115930), (5, 18069558), (6, 15057965), (10, 9034779), (13, 6949830), (15, 6023186), (26, 3474915), (30, 3011593), (39, 2316610), (65, 1389966), (78, 1158305), (130, 694983), (195, 463322), (390, 231661)]