15280616

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{349}}^1\times {\mathrm{421}}^1$

素因数の和:789

約数の個数: 32

約数和(自身を含む): 31017000

約数和(自身を除く): 15736384

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 349, 421, 698, 842, 1396, 1684, 2792, 3368, 4537, 5473, 9074, 10946, 18148, 21892, 36296, 43784, 146929, 293858, 587716, 1175432, 1910077, 3820154, 7640308, 15280616]

約数ペア:

[(1, 15280616), (2, 7640308), (4, 3820154), (8, 1910077), (13, 1175432), (26, 587716), (52, 293858), (104, 146929), (349, 43784), (421, 36296), (698, 21892), (842, 18148), (1396, 10946), (1684, 9074), (2792, 5473), (3368, 4537)]