991011216

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{1588159}}^1$

素因数の和:1588183

約数の個数: 40

約数和(自身を含む): 2757045760

約数和(自身を除く): 1766034544

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 208, 312, 624, 1588159, 3176318, 4764477, 6352636, 9528954, 12705272, 19057908, 20646067, 25410544, 38115816, 41292134, 61938201, 76231632, 82584268, 123876402, 165168536, 247752804, 330337072, 495505608, 991011216]

約数ペア:

[(1, 991011216), (2, 495505608), (3, 330337072), (4, 247752804), (6, 165168536), (8, 123876402), (12, 82584268), (13, 76231632), (16, 61938201), (24, 41292134), (26, 38115816), (39, 25410544), (48, 20646067), (52, 19057908), (78, 12705272), (104, 9528954), (156, 6352636), (208, 4764477), (312, 3176318), (624, 1588159)]