30643106

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{139}}^2$

素因数の和:354

約数の個数: 24

約数和(自身を含む): 50676444

約数和(自身を除く): 20033338

約数列:

[1, 2, 13, 26, 61, 122, 139, 278, 793, 1586, 1807, 3614, 8479, 16958, 19321, 38642, 110227, 220454, 251173, 502346, 1178581, 2357162, 15321553, 30643106]

約数ペア:

[(1, 30643106), (2, 15321553), (13, 2357162), (26, 1178581), (61, 502346), (122, 251173), (139, 220454), (278, 110227), (793, 38642), (1586, 19321), (1807, 16958), (3614, 8479)]