81216528

素因数分解:

$2^4\times 3^1\times {\mathrm{31}}^1\times {\mathrm{54581}}^1$

素因数の和:54623

約数の個数: 40

約数和(自身を含む): 216581376

約数和(自身を除く): 135364848

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 48, 62, 93, 124, 186, 248, 372, 496, 744, 1488, 54581, 109162, 163743, 218324, 327486, 436648, 654972, 873296, 1309944, 1692011, 2619888, 3384022, 5076033, 6768044, 10152066, 13536088, 20304132, 27072176, 40608264, 81216528]

約数ペア:

[(1, 81216528), (2, 40608264), (3, 27072176), (4, 20304132), (6, 13536088), (8, 10152066), (12, 6768044), (16, 5076033), (24, 3384022), (31, 2619888), (48, 1692011), (62, 1309944), (93, 873296), (124, 654972), (186, 436648), (248, 327486), (372, 218324), (496, 163743), (744, 109162), (1488, 54581)]