28781634

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{18521}}^1$

素因数の和:18570

約数の個数: 32

約数和(自身を含む): 67568256

約数和(自身を除く): 38786622

約数列:

[1, 2, 3, 6, 7, 14, 21, 37, 42, 74, 111, 222, 259, 518, 777, 1554, 18521, 37042, 55563, 111126, 129647, 259294, 388941, 685277, 777882, 1370554, 2055831, 4111662, 4796939, 9593878, 14390817, 28781634]

約数ペア:

[(1, 28781634), (2, 14390817), (3, 9593878), (6, 4796939), (7, 4111662), (14, 2055831), (21, 1370554), (37, 777882), (42, 685277), (74, 388941), (111, 259294), (222, 129647), (259, 111126), (518, 55563), (777, 37042), (1554, 18521)]