27777772

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{223}}^1$

素因数の和:406

約数の個数: 48

約数和(自身を含む): 56448000

約数和(自身を除く): 28670228

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 76, 149, 209, 223, 298, 418, 446, 596, 836, 892, 1639, 2453, 2831, 3278, 4237, 4906, 5662, 6556, 8474, 9812, 11324, 16948, 31141, 33227, 46607, 62282, 66454, 93214, 124564, 132908, 186428, 365497, 631313, 730994, 1262626, 1461988, 2525252, 6944443, 13888886, 27777772]

約数ペア:

[(1, 27777772), (2, 13888886), (4, 6944443), (11, 2525252), (19, 1461988), (22, 1262626), (38, 730994), (44, 631313), (76, 365497), (149, 186428), (209, 132908), (223, 124564), (298, 93214), (418, 66454), (446, 62282), (596, 46607), (836, 33227), (892, 31141), (1639, 16948), (2453, 11324), (2831, 9812), (3278, 8474), (4237, 6556), (4906, 5662)]