251525988

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{227}}^1\times {\mathrm{4397}}^1$

素因数の和:4641

約数の個数: 72

約数和(自身を含む): 729997632

約数和(自身を除く): 478471644

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 227, 252, 454, 681, 908, 1362, 1589, 2043, 2724, 3178, 4086, 4397, 4767, 6356, 8172, 8794, 9534, 13191, 14301, 17588, 19068, 26382, 28602, 30779, 39573, 52764, 57204, 61558, 79146, 92337, 123116, 158292, 184674, 277011, 369348, 554022, 998119, 1108044, 1996238, 2994357, 3992476, 5988714, 6986833, 8983071, 11977428, 13973666, 17966142, 20960499, 27947332, 35932284, 41920998, 62881497, 83841996, 125762994, 251525988]

約数ペア:

[(1, 251525988), (2, 125762994), (3, 83841996), (4, 62881497), (6, 41920998), (7, 35932284), (9, 27947332), (12, 20960499), (14, 17966142), (18, 13973666), (21, 11977428), (28, 8983071), (36, 6986833), (42, 5988714), (63, 3992476), (84, 2994357), (126, 1996238), (227, 1108044), (252, 998119), (454, 554022), (681, 369348), (908, 277011), (1362, 184674), (1589, 158292), (2043, 123116), (2724, 92337), (3178, 79146), (4086, 61558), (4397, 57204), (4767, 52764), (6356, 39573), (8172, 30779), (8794, 28602), (9534, 26382), (13191, 19068), (14301, 17588)]