78868030

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{254413}}^1$

素因数の和:254451

約数の個数: 16

約数和(自身を含む): 146542464

約数和(自身を除く): 67674434

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 254413, 508826, 1272065, 2544130, 7886803, 15773606, 39434015, 78868030]

約数ペア:

[(1, 78868030), (2, 39434015), (5, 15773606), (10, 7886803), (31, 2544130), (62, 1272065), (155, 508826), (310, 254413)]