7221186

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{223}}^1\times {\mathrm{257}}^1$

素因数の和:495

約数の個数: 48

約数和(自身を含む): 18031104

約数和(自身を除く): 10809918

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 223, 257, 446, 514, 669, 771, 1338, 1542, 1561, 1799, 2007, 2313, 3122, 3598, 4014, 4626, 4683, 5397, 9366, 10794, 14049, 16191, 28098, 32382, 57311, 114622, 171933, 343866, 401177, 515799, 802354, 1031598, 1203531, 2407062, 3610593, 7221186]

約数ペア:

[(1, 7221186), (2, 3610593), (3, 2407062), (6, 1203531), (7, 1031598), (9, 802354), (14, 515799), (18, 401177), (21, 343866), (42, 171933), (63, 114622), (126, 57311), (223, 32382), (257, 28098), (446, 16191), (514, 14049), (669, 10794), (771, 9366), (1338, 5397), (1542, 4683), (1561, 4626), (1799, 4014), (2007, 3598), (2313, 3122)]