251531896

素因数分解:

$2^3\times 7^2\times {\mathrm{11}}^2\times {\mathrm{5303}}^1$

素因数の和:5345

約数の個数: 72

約数和(自身を含む): 603144360

約数和(自身を除く): 351612464

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 49, 56, 77, 88, 98, 121, 154, 196, 242, 308, 392, 484, 539, 616, 847, 968, 1078, 1694, 2156, 3388, 4312, 5303, 5929, 6776, 10606, 11858, 21212, 23716, 37121, 42424, 47432, 58333, 74242, 116666, 148484, 233332, 259847, 296968, 408331, 466664, 519694, 641663, 816662, 1039388, 1283326, 1633324, 2078776, 2566652, 2858317, 3266648, 4491641, 5133304, 5716634, 8983282, 11433268, 17966564, 22866536, 31441487, 35933128, 62882974, 125765948, 251531896]

約数ペア:

[(1, 251531896), (2, 125765948), (4, 62882974), (7, 35933128), (8, 31441487), (11, 22866536), (14, 17966564), (22, 11433268), (28, 8983282), (44, 5716634), (49, 5133304), (56, 4491641), (77, 3266648), (88, 2858317), (98, 2566652), (121, 2078776), (154, 1633324), (196, 1283326), (242, 1039388), (308, 816662), (392, 641663), (484, 519694), (539, 466664), (616, 408331), (847, 296968), (968, 259847), (1078, 233332), (1694, 148484), (2156, 116666), (3388, 74242), (4312, 58333), (5303, 47432), (5929, 42424), (6776, 37121), (10606, 23716), (11858, 21212)]