28657770

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{1013}}^1$

素因数の和:1087

約数の個数: 64

約数和(自身を含む): 73592064

約数和(自身を除く): 44934294

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 41, 46, 69, 82, 115, 123, 138, 205, 230, 246, 345, 410, 615, 690, 943, 1013, 1230, 1886, 2026, 2829, 3039, 4715, 5065, 5658, 6078, 9430, 10130, 14145, 15195, 23299, 28290, 30390, 41533, 46598, 69897, 83066, 116495, 124599, 139794, 207665, 232990, 249198, 349485, 415330, 622995, 698970, 955259, 1245990, 1910518, 2865777, 4776295, 5731554, 9552590, 14328885, 28657770]

約数ペア:

[(1, 28657770), (2, 14328885), (3, 9552590), (5, 5731554), (6, 4776295), (10, 2865777), (15, 1910518), (23, 1245990), (30, 955259), (41, 698970), (46, 622995), (69, 415330), (82, 349485), (115, 249198), (123, 232990), (138, 207665), (205, 139794), (230, 124599), (246, 116495), (345, 83066), (410, 69897), (615, 46598), (690, 41533), (943, 30390), (1013, 28290), (1230, 23299), (1886, 15195), (2026, 14145), (2829, 10130), (3039, 9430), (4715, 6078), (5065, 5658)]