81138798

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{2531}}^1$

素因数の和:2689

約数の個数: 48

約数和(自身を含む): 190781136

約数和(自身を除く): 109642338

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 137, 234, 274, 411, 822, 1233, 1781, 2466, 2531, 3562, 5062, 5343, 7593, 10686, 15186, 16029, 22779, 32058, 32903, 45558, 65806, 98709, 197418, 296127, 346747, 592254, 693494, 1040241, 2080482, 3120723, 4507711, 6241446, 9015422, 13523133, 27046266, 40569399, 81138798]

約数ペア:

[(1, 81138798), (2, 40569399), (3, 27046266), (6, 13523133), (9, 9015422), (13, 6241446), (18, 4507711), (26, 3120723), (39, 2080482), (78, 1040241), (117, 693494), (137, 592254), (234, 346747), (274, 296127), (411, 197418), (822, 98709), (1233, 65806), (1781, 45558), (2466, 32903), (2531, 32058), (3562, 22779), (5062, 16029), (5343, 15186), (7593, 10686)]