25274788

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{617}}^1$

素因数の和:665

約数の個数: 72

約数和(自身を含む): 59179680

約数和(自身を除く): 33904892

約数列:

[1, 2, 4, 7, 11, 14, 19, 22, 28, 38, 44, 49, 76, 77, 98, 133, 154, 196, 209, 266, 308, 418, 532, 539, 617, 836, 931, 1078, 1234, 1463, 1862, 2156, 2468, 2926, 3724, 4319, 5852, 6787, 8638, 10241, 11723, 13574, 17276, 20482, 23446, 27148, 30233, 40964, 46892, 47509, 60466, 82061, 95018, 120932, 128953, 164122, 190036, 257906, 328244, 332563, 515812, 574427, 665126, 902671, 1148854, 1330252, 1805342, 2297708, 3610684, 6318697, 12637394, 25274788]

約数ペア:

[(1, 25274788), (2, 12637394), (4, 6318697), (7, 3610684), (11, 2297708), (14, 1805342), (19, 1330252), (22, 1148854), (28, 902671), (38, 665126), (44, 574427), (49, 515812), (76, 332563), (77, 328244), (98, 257906), (133, 190036), (154, 164122), (196, 128953), (209, 120932), (266, 95018), (308, 82061), (418, 60466), (532, 47509), (539, 46892), (617, 40964), (836, 30233), (931, 27148), (1078, 23446), (1234, 20482), (1463, 17276), (1862, 13574), (2156, 11723), (2468, 10241), (2926, 8638), (3724, 6787), (4319, 5852)]