25054328

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{383}}^1$

素因数の和:456

約数の個数: 64

約数和(自身を含む): 55157760

約数和(自身を除く): 30103432

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 37, 52, 68, 74, 104, 136, 148, 221, 296, 383, 442, 481, 629, 766, 884, 962, 1258, 1532, 1768, 1924, 2516, 3064, 3848, 4979, 5032, 6511, 8177, 9958, 13022, 14171, 16354, 19916, 26044, 28342, 32708, 39832, 52088, 56684, 65416, 84643, 113368, 169286, 184223, 240907, 338572, 368446, 481814, 677144, 736892, 963628, 1473784, 1927256, 3131791, 6263582, 12527164, 25054328]

約数ペア:

[(1, 25054328), (2, 12527164), (4, 6263582), (8, 3131791), (13, 1927256), (17, 1473784), (26, 963628), (34, 736892), (37, 677144), (52, 481814), (68, 368446), (74, 338572), (104, 240907), (136, 184223), (148, 169286), (221, 113368), (296, 84643), (383, 65416), (442, 56684), (481, 52088), (629, 39832), (766, 32708), (884, 28342), (962, 26044), (1258, 19916), (1532, 16354), (1768, 14171), (1924, 13022), (2516, 9958), (3064, 8177), (3848, 6511), (4979, 5032)]