638390790

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{787}}^1\times {\mathrm{9013}}^1$

素因数の和:9813

約数の個数: 48

約数和(自身を含む): 1662109488

約数和(自身を除く): 1023718698

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 787, 1574, 2361, 3935, 4722, 7083, 7870, 9013, 11805, 14166, 18026, 23610, 27039, 35415, 45065, 54078, 70830, 81117, 90130, 135195, 162234, 270390, 405585, 811170, 7093231, 14186462, 21279693, 35466155, 42559386, 63839079, 70932310, 106398465, 127678158, 212796930, 319195395, 638390790]

約数ペア:

[(1, 638390790), (2, 319195395), (3, 212796930), (5, 127678158), (6, 106398465), (9, 70932310), (10, 63839079), (15, 42559386), (18, 35466155), (30, 21279693), (45, 14186462), (90, 7093231), (787, 811170), (1574, 405585), (2361, 270390), (3935, 162234), (4722, 135195), (7083, 90130), (7870, 81117), (9013, 70830), (11805, 54078), (14166, 45065), (18026, 35415), (23610, 27039)]