156980590

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{38953}}^1$

素因数の和:39004

約数の個数: 32

約数和(自身を含む): 314125056

約数和(自身を除く): 157144466

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 4030, 38953, 77906, 194765, 389530, 506389, 1012778, 1207543, 2415086, 2531945, 5063890, 6037715, 12075430, 15698059, 31396118, 78490295, 156980590]

約数ペア:

[(1, 156980590), (2, 78490295), (5, 31396118), (10, 15698059), (13, 12075430), (26, 6037715), (31, 5063890), (62, 2531945), (65, 2415086), (130, 1207543), (155, 1012778), (310, 506389), (403, 389530), (806, 194765), (2015, 77906), (4030, 38953)]