25819976

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{1223}}^1$

素因数の和:1278

約数の個数: 64

約数和(自身を含む): 61689600

約数和(自身を除く): 35869624

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 29, 52, 56, 58, 91, 104, 116, 182, 203, 232, 364, 377, 406, 728, 754, 812, 1223, 1508, 1624, 2446, 2639, 3016, 4892, 5278, 8561, 9784, 10556, 15899, 17122, 21112, 31798, 34244, 35467, 63596, 68488, 70934, 111293, 127192, 141868, 222586, 248269, 283736, 445172, 461071, 496538, 890344, 922142, 993076, 1844284, 1986152, 3227497, 3688568, 6454994, 12909988, 25819976]

約数ペア:

[(1, 25819976), (2, 12909988), (4, 6454994), (7, 3688568), (8, 3227497), (13, 1986152), (14, 1844284), (26, 993076), (28, 922142), (29, 890344), (52, 496538), (56, 461071), (58, 445172), (91, 283736), (104, 248269), (116, 222586), (182, 141868), (203, 127192), (232, 111293), (364, 70934), (377, 68488), (406, 63596), (728, 35467), (754, 34244), (812, 31798), (1223, 21112), (1508, 17122), (1624, 15899), (2446, 10556), (2639, 9784), (3016, 8561), (4892, 5278)]