156859690

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{38923}}^1$

素因数の和:38974

約数の個数: 32

約数和(自身を含む): 313883136

約数和(自身を除く): 157023446

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 4030, 38923, 77846, 194615, 389230, 505999, 1011998, 1206613, 2413226, 2529995, 5059990, 6033065, 12066130, 15685969, 31371938, 78429845, 156859690]

約数ペア:

[(1, 156859690), (2, 78429845), (5, 31371938), (10, 15685969), (13, 12066130), (26, 6033065), (31, 5059990), (62, 2529995), (65, 2413226), (130, 1206613), (155, 1011998), (310, 505999), (403, 389230), (806, 194615), (2015, 77846), (4030, 38923)]