991248336

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^1\times {\mathrm{529513}}^1$

素因数の和:529540

約数の個数: 60

約数和(自身を含む): 2987517988

約数和(自身を除く): 1996269652

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 36, 39, 48, 52, 72, 78, 104, 117, 144, 156, 208, 234, 312, 468, 624, 936, 1872, 529513, 1059026, 1588539, 2118052, 3177078, 4236104, 4765617, 6354156, 6883669, 8472208, 9531234, 12708312, 13767338, 19062468, 20651007, 25416624, 27534676, 38124936, 41302014, 55069352, 61953021, 76249872, 82604028, 110138704, 123906042, 165208056, 247812084, 330416112, 495624168, 991248336]

約数ペア:

[(1, 991248336), (2, 495624168), (3, 330416112), (4, 247812084), (6, 165208056), (8, 123906042), (9, 110138704), (12, 82604028), (13, 76249872), (16, 61953021), (18, 55069352), (24, 41302014), (26, 38124936), (36, 27534676), (39, 25416624), (48, 20651007), (52, 19062468), (72, 13767338), (78, 12708312), (104, 9531234), (117, 8472208), (144, 6883669), (156, 6354156), (208, 4765617), (234, 4236104), (312, 3177078), (468, 2118052), (624, 1588539), (936, 1059026), (1872, 529513)]