28384030

素因数分解:

$2^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{157}}^1\times {\mathrm{179}}^1$

素因数の和:444

約数の個数: 32

約数和(自身を含む): 52215840

約数和(自身を除く): 23831810

約数列:

[1, 2, 5, 10, 101, 157, 179, 202, 314, 358, 505, 785, 895, 1010, 1570, 1790, 15857, 18079, 28103, 31714, 36158, 56206, 79285, 90395, 140515, 158570, 180790, 281030, 2838403, 5676806, 14192015, 28384030]

約数ペア:

[(1, 28384030), (2, 14192015), (5, 5676806), (10, 2838403), (101, 281030), (157, 180790), (179, 158570), (202, 140515), (314, 90395), (358, 79285), (505, 56206), (785, 36158), (895, 31714), (1010, 28103), (1570, 18079), (1790, 15857)]