25561844

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{557}}^1$

素因数の和:728

約数の個数: 48

約数和(自身を含む): 56246400

約数和(自身を除く): 30684556

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 149, 154, 298, 308, 557, 596, 1043, 1114, 1639, 2086, 2228, 3278, 3899, 4172, 6127, 6556, 7798, 11473, 12254, 15596, 22946, 24508, 42889, 45892, 82993, 85778, 165986, 171556, 331972, 580951, 912923, 1161902, 1825846, 2323804, 3651692, 6390461, 12780922, 25561844]

約数ペア:

[(1, 25561844), (2, 12780922), (4, 6390461), (7, 3651692), (11, 2323804), (14, 1825846), (22, 1161902), (28, 912923), (44, 580951), (77, 331972), (149, 171556), (154, 165986), (298, 85778), (308, 82993), (557, 45892), (596, 42889), (1043, 24508), (1114, 22946), (1639, 15596), (2086, 12254), (2228, 11473), (3278, 7798), (3899, 6556), (4172, 6127)]