28543970

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{4481}}^1$

素因数の和:4515

約数の個数: 48

約数和(自身を含む): 64379448

約数和(自身を除く): 35835478

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 49, 65, 70, 91, 98, 130, 182, 245, 455, 490, 637, 910, 1274, 3185, 4481, 6370, 8962, 22405, 31367, 44810, 58253, 62734, 116506, 156835, 219569, 291265, 313670, 407771, 439138, 582530, 815542, 1097845, 2038855, 2195690, 2854397, 4077710, 5708794, 14271985, 28543970]

約数ペア:

[(1, 28543970), (2, 14271985), (5, 5708794), (7, 4077710), (10, 2854397), (13, 2195690), (14, 2038855), (26, 1097845), (35, 815542), (49, 582530), (65, 439138), (70, 407771), (91, 313670), (98, 291265), (130, 219569), (182, 156835), (245, 116506), (455, 62734), (490, 58253), (637, 44810), (910, 31367), (1274, 22405), (3185, 8962), (4481, 6370)]