215312344

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{193}}^1\times {\mathrm{631}}^1$

素因数の和:860

約数の個数: 64

約数和(自身を含む): 463458240

約数和(自身を除く): 248145896

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 52, 68, 104, 136, 193, 221, 386, 442, 631, 772, 884, 1262, 1544, 1768, 2509, 2524, 3281, 5018, 5048, 6562, 8203, 10036, 10727, 13124, 16406, 20072, 21454, 26248, 32812, 42653, 42908, 65624, 85306, 85816, 121783, 139451, 170612, 243566, 278902, 341224, 487132, 557804, 974264, 1115608, 1583179, 2070311, 3166358, 4140622, 6332716, 8281244, 12665432, 16562488, 26914043, 53828086, 107656172, 215312344]

約数ペア:

[(1, 215312344), (2, 107656172), (4, 53828086), (8, 26914043), (13, 16562488), (17, 12665432), (26, 8281244), (34, 6332716), (52, 4140622), (68, 3166358), (104, 2070311), (136, 1583179), (193, 1115608), (221, 974264), (386, 557804), (442, 487132), (631, 341224), (772, 278902), (884, 243566), (1262, 170612), (1544, 139451), (1768, 121783), (2509, 85816), (2524, 85306), (3281, 65624), (5018, 42908), (5048, 42653), (6562, 32812), (8203, 26248), (10036, 21454), (10727, 20072), (13124, 16406)]