8221428

素因数分解:

$2^2\times 3^2\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{113}}^1$

素因数の和:213

約数の個数: 72

約数和(自身を含む): 21909888

約数和(自身を除く): 13688460

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 43, 47, 86, 94, 113, 129, 141, 172, 188, 226, 258, 282, 339, 387, 423, 452, 516, 564, 678, 774, 846, 1017, 1356, 1548, 1692, 2021, 2034, 4042, 4068, 4859, 5311, 6063, 8084, 9718, 10622, 12126, 14577, 15933, 18189, 19436, 21244, 24252, 29154, 31866, 36378, 43731, 47799, 58308, 63732, 72756, 87462, 95598, 174924, 191196, 228373, 456746, 685119, 913492, 1370238, 2055357, 2740476, 4110714, 8221428]

約数ペア:

[(1, 8221428), (2, 4110714), (3, 2740476), (4, 2055357), (6, 1370238), (9, 913492), (12, 685119), (18, 456746), (36, 228373), (43, 191196), (47, 174924), (86, 95598), (94, 87462), (113, 72756), (129, 63732), (141, 58308), (172, 47799), (188, 43731), (226, 36378), (258, 31866), (282, 29154), (339, 24252), (387, 21244), (423, 19436), (452, 18189), (516, 15933), (564, 14577), (678, 12126), (774, 10622), (846, 9718), (1017, 8084), (1356, 6063), (1548, 5311), (1692, 4859), (2021, 4068), (2034, 4042)]