131428728

素因数分解:

$2^3\times 3^2\times {\mathrm{149}}^1\times {\mathrm{12251}}^1$

素因数の和:12412

約数の個数: 48

約数和(自身を含む): 358371000

約数和(自身を除く): 226942272

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 149, 298, 447, 596, 894, 1192, 1341, 1788, 2682, 3576, 5364, 10728, 12251, 24502, 36753, 49004, 73506, 98008, 110259, 147012, 220518, 294024, 441036, 882072, 1825399, 3650798, 5476197, 7301596, 10952394, 14603192, 16428591, 21904788, 32857182, 43809576, 65714364, 131428728]

約数ペア:

[(1, 131428728), (2, 65714364), (3, 43809576), (4, 32857182), (6, 21904788), (8, 16428591), (9, 14603192), (12, 10952394), (18, 7301596), (24, 5476197), (36, 3650798), (72, 1825399), (149, 882072), (298, 441036), (447, 294024), (596, 220518), (894, 147012), (1192, 110259), (1341, 98008), (1788, 73506), (2682, 49004), (3576, 36753), (5364, 24502), (10728, 12251)]