251018416

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{103}}^1\times {\mathrm{227}}^1$

素因数の和:410

約数の個数: 80

約数和(自身を含む): 546893568

約数和(自身を除く): 295875152

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 61, 88, 103, 122, 176, 206, 227, 244, 412, 454, 488, 671, 824, 908, 976, 1133, 1342, 1648, 1816, 2266, 2497, 2684, 3632, 4532, 4994, 5368, 6283, 9064, 9988, 10736, 12566, 13847, 18128, 19976, 23381, 25132, 27694, 39952, 46762, 50264, 55388, 69113, 93524, 100528, 110776, 138226, 152317, 187048, 221552, 257191, 276452, 304634, 374096, 514382, 552904, 609268, 1028764, 1105808, 1218536, 1426241, 2057528, 2437072, 2852482, 4115056, 5704964, 11409928, 15688651, 22819856, 31377302, 62754604, 125509208, 251018416]

約数ペア:

[(1, 251018416), (2, 125509208), (4, 62754604), (8, 31377302), (11, 22819856), (16, 15688651), (22, 11409928), (44, 5704964), (61, 4115056), (88, 2852482), (103, 2437072), (122, 2057528), (176, 1426241), (206, 1218536), (227, 1105808), (244, 1028764), (412, 609268), (454, 552904), (488, 514382), (671, 374096), (824, 304634), (908, 276452), (976, 257191), (1133, 221552), (1342, 187048), (1648, 152317), (1816, 138226), (2266, 110776), (2497, 100528), (2684, 93524), (3632, 69113), (4532, 55388), (4994, 50264), (5368, 46762), (6283, 39952), (9064, 27694), (9988, 25132), (10736, 23381), (12566, 19976), (13847, 18128)]