257348616

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{2179}}^1$

素因数の和:2251

約数の個数: 128

約数和(自身を含む): 795264000

約数和(自身を除く): 537915384

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 19, 21, 24, 28, 37, 38, 42, 56, 57, 74, 76, 84, 111, 114, 133, 148, 152, 168, 222, 228, 259, 266, 296, 399, 444, 456, 518, 532, 703, 777, 798, 888, 1036, 1064, 1406, 1554, 1596, 2072, 2109, 2179, 2812, 3108, 3192, 4218, 4358, 4921, 5624, 6216, 6537, 8436, 8716, 9842, 13074, 14763, 15253, 16872, 17432, 19684, 26148, 29526, 30506, 39368, 41401, 45759, 52296, 59052, 61012, 80623, 82802, 91518, 118104, 122024, 124203, 161246, 165604, 183036, 241869, 248406, 289807, 322492, 331208, 366072, 483738, 496812, 564361, 579614, 644984, 869421, 967476, 993624, 1128722, 1159228, 1531837, 1693083, 1738842, 1934952, 2257444, 2318456, 3063674, 3386166, 3477684, 4514888, 4595511, 6127348, 6772332, 6955368, 9191022, 10722859, 12254696, 13544664, 18382044, 21445718, 32168577, 36764088, 42891436, 64337154, 85782872, 128674308, 257348616]

約数ペア:

[(1, 257348616), (2, 128674308), (3, 85782872), (4, 64337154), (6, 42891436), (7, 36764088), (8, 32168577), (12, 21445718), (14, 18382044), (19, 13544664), (21, 12254696), (24, 10722859), (28, 9191022), (37, 6955368), (38, 6772332), (42, 6127348), (56, 4595511), (57, 4514888), (74, 3477684), (76, 3386166), (84, 3063674), (111, 2318456), (114, 2257444), (133, 1934952), (148, 1738842), (152, 1693083), (168, 1531837), (222, 1159228), (228, 1128722), (259, 993624), (266, 967476), (296, 869421), (399, 644984), (444, 579614), (456, 564361), (518, 496812), (532, 483738), (703, 366072), (777, 331208), (798, 322492), (888, 289807), (1036, 248406), (1064, 241869), (1406, 183036), (1554, 165604), (1596, 161246), (2072, 124203), (2109, 122024), (2179, 118104), (2812, 91518), (3108, 82802), (3192, 80623), (4218, 61012), (4358, 59052), (4921, 52296), (5624, 45759), (6216, 41401), (6537, 39368), (8436, 30506), (8716, 29526), (9842, 26148), (13074, 19684), (14763, 17432), (15253, 16872)]