197254590

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{505781}}^1$

素因数の和:505804

約数の個数: 32

約数和(自身を含む): 509828256

約数和(自身を除く): 312573666

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 505781, 1011562, 1517343, 2528905, 3034686, 5057810, 6575153, 7586715, 13150306, 15173430, 19725459, 32875765, 39450918, 65751530, 98627295, 197254590]

約数ペア:

[(1, 197254590), (2, 98627295), (3, 65751530), (5, 39450918), (6, 32875765), (10, 19725459), (13, 15173430), (15, 13150306), (26, 7586715), (30, 6575153), (39, 5057810), (65, 3034686), (78, 2528905), (130, 1517343), (195, 1011562), (390, 505781)]