289779908

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{197}}^1\times {\mathrm{331}}^1$

素因数の和:644

約数の個数: 48

約数和(自身を含む): 563226048

約数和(自身を除く): 273446140

約数列:

[1, 2, 4, 11, 22, 44, 101, 197, 202, 331, 394, 404, 662, 788, 1111, 1324, 2167, 2222, 3641, 4334, 4444, 7282, 8668, 14564, 19897, 33431, 39794, 65207, 66862, 79588, 130414, 133724, 218867, 260828, 367741, 437734, 717277, 735482, 875468, 1434554, 1470964, 2869108, 6585907, 13171814, 26343628, 72444977, 144889954, 289779908]

約数ペア:

[(1, 289779908), (2, 144889954), (4, 72444977), (11, 26343628), (22, 13171814), (44, 6585907), (101, 2869108), (197, 1470964), (202, 1434554), (331, 875468), (394, 735482), (404, 717277), (662, 437734), (788, 367741), (1111, 260828), (1324, 218867), (2167, 133724), (2222, 130414), (3641, 79588), (4334, 66862), (4444, 65207), (7282, 39794), (8668, 33431), (14564, 19897)]