642616

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{167}}^1$

素因数の和:223

約数の個数: 32

約数和(自身を含む): 1340640

約数和(自身を除く): 698024

約数列:

[1, 2, 4, 8, 13, 26, 37, 52, 74, 104, 148, 167, 296, 334, 481, 668, 962, 1336, 1924, 2171, 3848, 4342, 6179, 8684, 12358, 17368, 24716, 49432, 80327, 160654, 321308, 642616]

約数ペア:

[(1, 642616), (2, 321308), (4, 160654), (8, 80327), (13, 49432), (26, 24716), (37, 17368), (52, 12358), (74, 8684), (104, 6179), (148, 4342), (167, 3848), (296, 2171), (334, 1924), (481, 1336), (668, 962)]