81390066

素因数分解:

$2^1\times 3^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{191}}^1$

素因数の和:335

約数の個数: 64

約数和(自身を含む): 176947200

約数和(自身を除く): 95557134

約数列:

[1, 2, 3, 6, 29, 31, 58, 62, 79, 87, 93, 158, 174, 186, 191, 237, 382, 474, 573, 899, 1146, 1798, 2291, 2449, 2697, 4582, 4898, 5394, 5539, 5921, 6873, 7347, 11078, 11842, 13746, 14694, 15089, 16617, 17763, 30178, 33234, 35526, 45267, 71021, 90534, 142042, 171709, 213063, 343418, 426126, 437581, 467759, 515127, 875162, 935518, 1030254, 1312743, 1403277, 2625486, 2806554, 13565011, 27130022, 40695033, 81390066]

約数ペア:

[(1, 81390066), (2, 40695033), (3, 27130022), (6, 13565011), (29, 2806554), (31, 2625486), (58, 1403277), (62, 1312743), (79, 1030254), (87, 935518), (93, 875162), (158, 515127), (174, 467759), (186, 437581), (191, 426126), (237, 343418), (382, 213063), (474, 171709), (573, 142042), (899, 90534), (1146, 71021), (1798, 45267), (2291, 35526), (2449, 33234), (2697, 30178), (4582, 17763), (4898, 16617), (5394, 15089), (5539, 14694), (5921, 13746), (6873, 11842), (7347, 11078)]