221468748

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{18661}}^1$

素因数の和:18734

約数の個数: 48

約数和(自身を含む): 551798016

約数和(自身を除く): 330329268

約数列:

[1, 2, 3, 4, 6, 12, 23, 43, 46, 69, 86, 92, 129, 138, 172, 258, 276, 516, 989, 1978, 2967, 3956, 5934, 11868, 18661, 37322, 55983, 74644, 111966, 223932, 429203, 802423, 858406, 1287609, 1604846, 1716812, 2407269, 2575218, 3209692, 4814538, 5150436, 9629076, 18455729, 36911458, 55367187, 73822916, 110734374, 221468748]

約数ペア:

[(1, 221468748), (2, 110734374), (3, 73822916), (4, 55367187), (6, 36911458), (12, 18455729), (23, 9629076), (43, 5150436), (46, 4814538), (69, 3209692), (86, 2575218), (92, 2407269), (129, 1716812), (138, 1604846), (172, 1287609), (258, 858406), (276, 802423), (516, 429203), (989, 223932), (1978, 111966), (2967, 74644), (3956, 55983), (5934, 37322), (11868, 18661)]