251012242

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{281}}^1$

素因数の和:403

約数の個数: 64

約数和(自身を含む): 450261504

約数和(自身を除く): 199249262

約数列:

[1, 2, 13, 17, 26, 34, 43, 47, 86, 94, 221, 281, 442, 559, 562, 611, 731, 799, 1118, 1222, 1462, 1598, 2021, 3653, 4042, 4777, 7306, 9503, 9554, 10387, 12083, 13207, 19006, 20774, 24166, 26273, 26414, 34357, 52546, 62101, 68714, 124202, 157079, 171691, 205411, 224519, 314158, 343382, 410822, 446641, 449038, 567901, 893282, 1135802, 2670343, 2918747, 5340686, 5837494, 7382713, 9654317, 14765426, 19308634, 125506121, 251012242]

約数ペア:

[(1, 251012242), (2, 125506121), (13, 19308634), (17, 14765426), (26, 9654317), (34, 7382713), (43, 5837494), (47, 5340686), (86, 2918747), (94, 2670343), (221, 1135802), (281, 893282), (442, 567901), (559, 449038), (562, 446641), (611, 410822), (731, 343382), (799, 314158), (1118, 224519), (1222, 205411), (1462, 171691), (1598, 157079), (2021, 124202), (3653, 68714), (4042, 62101), (4777, 52546), (7306, 34357), (9503, 26414), (9554, 26273), (10387, 24166), (12083, 20774), (13207, 19006)]