209220736

素因数分解:

$2^7\times {\mathrm{31}}^1\times {\mathrm{52727}}^1$

素因数の和:52772

約数の個数: 32

約数和(自身を含む): 430260480

約数和(自身を除く): 221039744

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 496, 992, 1984, 3968, 52727, 105454, 210908, 421816, 843632, 1634537, 1687264, 3269074, 3374528, 6538148, 6749056, 13076296, 26152592, 52305184, 104610368, 209220736]

約数ペア:

[(1, 209220736), (2, 104610368), (4, 52305184), (8, 26152592), (16, 13076296), (31, 6749056), (32, 6538148), (62, 3374528), (64, 3269074), (124, 1687264), (128, 1634537), (248, 843632), (496, 421816), (992, 210908), (1984, 105454), (3968, 52727)]