81303324

素因数分解:

$2^2\times 3^1\times {\mathrm{79}}^1\times {\mathrm{139}}^1\times {\mathrm{617}}^1$

素因数の和:842

約数の個数: 48

約数和(自身を含む): 193804800

約数和(自身を除く): 112501476

約数列:

[1, 2, 3, 4, 6, 12, 79, 139, 158, 237, 278, 316, 417, 474, 556, 617, 834, 948, 1234, 1668, 1851, 2468, 3702, 7404, 10981, 21962, 32943, 43924, 48743, 65886, 85763, 97486, 131772, 146229, 171526, 194972, 257289, 292458, 343052, 514578, 584916, 1029156, 6775277, 13550554, 20325831, 27101108, 40651662, 81303324]

約数ペア:

[(1, 81303324), (2, 40651662), (3, 27101108), (4, 20325831), (6, 13550554), (12, 6775277), (79, 1029156), (139, 584916), (158, 514578), (237, 343052), (278, 292458), (316, 257289), (417, 194972), (474, 171526), (556, 146229), (617, 131772), (834, 97486), (948, 85763), (1234, 65886), (1668, 48743), (1851, 43924), (2468, 32943), (3702, 21962), (7404, 10981)]