28724410

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{379}}^1$

素因数の和:463

約数の個数: 64

約数和(自身を含む): 62052480

約数和(自身を除く): 33328070

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 53, 55, 65, 106, 110, 130, 143, 265, 286, 379, 530, 583, 689, 715, 758, 1166, 1378, 1430, 1895, 2915, 3445, 3790, 4169, 4927, 5830, 6890, 7579, 8338, 9854, 15158, 20087, 20845, 24635, 37895, 40174, 41690, 49270, 54197, 75790, 100435, 108394, 200870, 220957, 261131, 270985, 441914, 522262, 541970, 1104785, 1305655, 2209570, 2611310, 2872441, 5744882, 14362205, 28724410]

約数ペア:

[(1, 28724410), (2, 14362205), (5, 5744882), (10, 2872441), (11, 2611310), (13, 2209570), (22, 1305655), (26, 1104785), (53, 541970), (55, 522262), (65, 441914), (106, 270985), (110, 261131), (130, 220957), (143, 200870), (265, 108394), (286, 100435), (379, 75790), (530, 54197), (583, 49270), (689, 41690), (715, 40174), (758, 37895), (1166, 24635), (1378, 20845), (1430, 20087), (1895, 15158), (2915, 9854), (3445, 8338), (3790, 7579), (4169, 6890), (4927, 5830)]