28977910

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{2207}}^1$

素因数の和:2328

約数の個数: 32

約数和(自身を含む): 56754432

約数和(自身を除く): 27776522

約数列:

[1, 2, 5, 10, 13, 26, 65, 101, 130, 202, 505, 1010, 1313, 2207, 2626, 4414, 6565, 11035, 13130, 22070, 28691, 57382, 143455, 222907, 286910, 445814, 1114535, 2229070, 2897791, 5795582, 14488955, 28977910]

約数ペア:

[(1, 28977910), (2, 14488955), (5, 5795582), (10, 2897791), (13, 2229070), (26, 1114535), (65, 445814), (101, 286910), (130, 222907), (202, 143455), (505, 57382), (1010, 28691), (1313, 22070), (2207, 13130), (2626, 11035), (4414, 6565)]