72129808

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{145423}}^1$

素因数の和:145462

約数の個数: 20

約数和(自身を含む): 144260608

約数和(自身を除く): 72130800

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 145423, 290846, 581692, 1163384, 2326768, 4508113, 9016226, 18032452, 36064904, 72129808]

約数ペア:

[(1, 72129808), (2, 36064904), (4, 18032452), (8, 9016226), (16, 4508113), (31, 2326768), (62, 1163384), (124, 581692), (248, 290846), (496, 145423)]