219989888

素因数分解:

$2^7\times {\mathrm{31}}^1\times {\mathrm{55441}}^1$

素因数の和:55486

約数の個数: 32

約数和(自身を含む): 452406720

約数和(自身を除く): 232416832

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 496, 992, 1984, 3968, 55441, 110882, 221764, 443528, 887056, 1718671, 1774112, 3437342, 3548224, 6874684, 7096448, 13749368, 27498736, 54997472, 109994944, 219989888]

約数ペア:

[(1, 219989888), (2, 109994944), (4, 54997472), (8, 27498736), (16, 13749368), (31, 7096448), (32, 6874684), (62, 3548224), (64, 3437342), (124, 1774112), (128, 1718671), (248, 887056), (496, 443528), (992, 221764), (1984, 110882), (3968, 55441)]