28664844

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{509}}^1$

素因数の和:567

約数の個数: 72

約数和(自身を含む): 76169520

約数和(自身を除く): 47504676

約数列:

[1, 2, 3, 4, 6, 12, 13, 19, 26, 38, 39, 52, 57, 76, 78, 114, 156, 228, 247, 361, 494, 509, 722, 741, 988, 1018, 1083, 1444, 1482, 1527, 2036, 2166, 2964, 3054, 4332, 4693, 6108, 6617, 9386, 9671, 13234, 14079, 18772, 19342, 19851, 26468, 28158, 29013, 38684, 39702, 56316, 58026, 79404, 116052, 125723, 183749, 251446, 367498, 377169, 502892, 551247, 734996, 754338, 1102494, 1508676, 2204988, 2388737, 4777474, 7166211, 9554948, 14332422, 28664844]

約数ペア:

[(1, 28664844), (2, 14332422), (3, 9554948), (4, 7166211), (6, 4777474), (12, 2388737), (13, 2204988), (19, 1508676), (26, 1102494), (38, 754338), (39, 734996), (52, 551247), (57, 502892), (76, 377169), (78, 367498), (114, 251446), (156, 183749), (228, 125723), (247, 116052), (361, 79404), (494, 58026), (509, 56316), (722, 39702), (741, 38684), (988, 29013), (1018, 28158), (1083, 26468), (1444, 19851), (1482, 19342), (1527, 18772), (2036, 14079), (2166, 13234), (2964, 9671), (3054, 9386), (4332, 6617), (4693, 6108)]