245118748

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{163}}^1\times {\mathrm{1249}}^1$

素因数の和:1466

約数の個数: 48

約数和(自身を含む): 505120000

約数和(自身を除く): 260001252

約数列:

[1, 2, 4, 7, 14, 28, 43, 86, 163, 172, 301, 326, 602, 652, 1141, 1204, 1249, 2282, 2498, 4564, 4996, 7009, 8743, 14018, 17486, 28036, 34972, 49063, 53707, 98126, 107414, 196252, 203587, 214828, 375949, 407174, 751898, 814348, 1425109, 1503796, 2850218, 5700436, 8754241, 17508482, 35016964, 61279687, 122559374, 245118748]

約数ペア:

[(1, 245118748), (2, 122559374), (4, 61279687), (7, 35016964), (14, 17508482), (28, 8754241), (43, 5700436), (86, 2850218), (163, 1503796), (172, 1425109), (301, 814348), (326, 751898), (602, 407174), (652, 375949), (1141, 214828), (1204, 203587), (1249, 196252), (2282, 107414), (2498, 98126), (4564, 53707), (4996, 49063), (7009, 34972), (8743, 28036), (14018, 17486)]