39912788

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{4421}}^1$

素因数の和:4523

約数の個数: 24

約数和(自身を含む): 72927624

約数和(自身を除く): 33014836

約数列:

[1, 2, 4, 37, 61, 74, 122, 148, 244, 2257, 4421, 4514, 8842, 9028, 17684, 163577, 269681, 327154, 539362, 654308, 1078724, 9978197, 19956394, 39912788]

約数ペア:

[(1, 39912788), (2, 19956394), (4, 9978197), (37, 1078724), (61, 654308), (74, 539362), (122, 327154), (148, 269681), (244, 163577), (2257, 17684), (4421, 9028), (4514, 8842)]