197280590

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{48953}}^1$

素因数の和:49004

約数の個数: 32

約数和(自身を含む): 394765056

約数和(自身を除く): 197484466

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 4030, 48953, 97906, 244765, 489530, 636389, 1272778, 1517543, 3035086, 3181945, 6363890, 7587715, 15175430, 19728059, 39456118, 98640295, 197280590]

約数ペア:

[(1, 197280590), (2, 98640295), (5, 39456118), (10, 19728059), (13, 15175430), (26, 7587715), (31, 6363890), (62, 3181945), (65, 3035086), (130, 1517543), (155, 1272778), (310, 636389), (403, 489530), (806, 244765), (2015, 97906), (4030, 48953)]