251142904

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{839}}^1$

素因数の和:964

約数の個数: 64

約数和(自身を含む): 522547200

約数和(自身を除く): 271404296

約数列:

[1, 2, 4, 8, 17, 31, 34, 62, 68, 71, 124, 136, 142, 248, 284, 527, 568, 839, 1054, 1207, 1678, 2108, 2201, 2414, 3356, 4216, 4402, 4828, 6712, 8804, 9656, 14263, 17608, 26009, 28526, 37417, 52018, 57052, 59569, 74834, 104036, 114104, 119138, 149668, 208072, 238276, 299336, 442153, 476552, 884306, 1012673, 1768612, 1846639, 2025346, 3537224, 3693278, 4050692, 7386556, 8101384, 14773112, 31392863, 62785726, 125571452, 251142904]

約数ペア:

[(1, 251142904), (2, 125571452), (4, 62785726), (8, 31392863), (17, 14773112), (31, 8101384), (34, 7386556), (62, 4050692), (68, 3693278), (71, 3537224), (124, 2025346), (136, 1846639), (142, 1768612), (248, 1012673), (284, 884306), (527, 476552), (568, 442153), (839, 299336), (1054, 238276), (1207, 208072), (1678, 149668), (2108, 119138), (2201, 114104), (2414, 104036), (3356, 74834), (4216, 59569), (4402, 57052), (4828, 52018), (6712, 37417), (8804, 28526), (9656, 26009), (14263, 17608)]