16661124

素因数分解:

$2^2\times 3^2\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{229}}^1$

素因数の和:329

約数の個数: 72

約数和(自身を含む): 44204160

約数和(自身を除く): 27543036

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 43, 47, 86, 94, 129, 141, 172, 188, 229, 258, 282, 387, 423, 458, 516, 564, 687, 774, 846, 916, 1374, 1548, 1692, 2021, 2061, 2748, 4042, 4122, 6063, 8084, 8244, 9847, 10763, 12126, 18189, 19694, 21526, 24252, 29541, 32289, 36378, 39388, 43052, 59082, 64578, 72756, 88623, 96867, 118164, 129156, 177246, 193734, 354492, 387468, 462809, 925618, 1388427, 1851236, 2776854, 4165281, 5553708, 8330562, 16661124]

約数ペア:

[(1, 16661124), (2, 8330562), (3, 5553708), (4, 4165281), (6, 2776854), (9, 1851236), (12, 1388427), (18, 925618), (36, 462809), (43, 387468), (47, 354492), (86, 193734), (94, 177246), (129, 129156), (141, 118164), (172, 96867), (188, 88623), (229, 72756), (258, 64578), (282, 59082), (387, 43052), (423, 39388), (458, 36378), (516, 32289), (564, 29541), (687, 24252), (774, 21526), (846, 19694), (916, 18189), (1374, 12126), (1548, 10763), (1692, 9847), (2021, 8244), (2061, 8084), (2748, 6063), (4042, 4122)]