28887144

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{443}}^1$

素因数の和:495

約数の個数: 128

約数和(自身を含む): 89510400

約数和(自身を除く): 60623256

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 13, 19, 22, 24, 26, 33, 38, 39, 44, 52, 57, 66, 76, 78, 88, 104, 114, 132, 143, 152, 156, 209, 228, 247, 264, 286, 312, 418, 429, 443, 456, 494, 572, 627, 741, 836, 858, 886, 988, 1144, 1254, 1329, 1482, 1672, 1716, 1772, 1976, 2508, 2658, 2717, 2964, 3432, 3544, 4873, 5016, 5316, 5434, 5759, 5928, 8151, 8417, 9746, 10632, 10868, 11518, 14619, 16302, 16834, 17277, 19492, 21736, 23036, 25251, 29238, 32604, 33668, 34554, 38984, 46072, 50502, 58476, 63349, 65208, 67336, 69108, 92587, 101004, 109421, 116952, 126698, 138216, 185174, 190047, 202008, 218842, 253396, 277761, 328263, 370348, 380094, 437684, 506792, 555522, 656526, 740696, 760188, 875368, 1111044, 1203631, 1313052, 1520376, 2222088, 2407262, 2626104, 3610893, 4814524, 7221786, 9629048, 14443572, 28887144]

約数ペア:

[(1, 28887144), (2, 14443572), (3, 9629048), (4, 7221786), (6, 4814524), (8, 3610893), (11, 2626104), (12, 2407262), (13, 2222088), (19, 1520376), (22, 1313052), (24, 1203631), (26, 1111044), (33, 875368), (38, 760188), (39, 740696), (44, 656526), (52, 555522), (57, 506792), (66, 437684), (76, 380094), (78, 370348), (88, 328263), (104, 277761), (114, 253396), (132, 218842), (143, 202008), (152, 190047), (156, 185174), (209, 138216), (228, 126698), (247, 116952), (264, 109421), (286, 101004), (312, 92587), (418, 69108), (429, 67336), (443, 65208), (456, 63349), (494, 58476), (572, 50502), (627, 46072), (741, 38984), (836, 34554), (858, 33668), (886, 32604), (988, 29238), (1144, 25251), (1254, 23036), (1329, 21736), (1482, 19492), (1672, 17277), (1716, 16834), (1772, 16302), (1976, 14619), (2508, 11518), (2658, 10868), (2717, 10632), (2964, 9746), (3432, 8417), (3544, 8151), (4873, 5928), (5016, 5759), (5316, 5434)]