12909988

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{1223}}^1$

素因数の和:1276

約数の個数: 48

約数和(自身を含む): 28788480

約数和(自身を除く): 15878492

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 29, 52, 58, 91, 116, 182, 203, 364, 377, 406, 754, 812, 1223, 1508, 2446, 2639, 4892, 5278, 8561, 10556, 15899, 17122, 31798, 34244, 35467, 63596, 70934, 111293, 141868, 222586, 248269, 445172, 461071, 496538, 922142, 993076, 1844284, 3227497, 6454994, 12909988]

約数ペア:

[(1, 12909988), (2, 6454994), (4, 3227497), (7, 1844284), (13, 993076), (14, 922142), (26, 496538), (28, 461071), (29, 445172), (52, 248269), (58, 222586), (91, 141868), (116, 111293), (182, 70934), (203, 63596), (364, 35467), (377, 34244), (406, 31798), (754, 17122), (812, 15899), (1223, 10556), (1508, 8561), (2446, 5278), (2639, 4892)]