221301756

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{10061}}^1$

素因数の和:10131

約数の個数: 72

約数和(自身を含む): 615311424

約数和(自身を除く): 394009668

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 47, 52, 78, 94, 117, 141, 156, 188, 234, 282, 423, 468, 564, 611, 846, 1222, 1692, 1833, 2444, 3666, 5499, 7332, 10061, 10998, 20122, 21996, 30183, 40244, 60366, 90549, 120732, 130793, 181098, 261586, 362196, 392379, 472867, 523172, 784758, 945734, 1177137, 1418601, 1569516, 1891468, 2354274, 2837202, 4255803, 4708548, 5674404, 6147271, 8511606, 12294542, 17023212, 18441813, 24589084, 36883626, 55325439, 73767252, 110650878, 221301756]

約数ペア:

[(1, 221301756), (2, 110650878), (3, 73767252), (4, 55325439), (6, 36883626), (9, 24589084), (12, 18441813), (13, 17023212), (18, 12294542), (26, 8511606), (36, 6147271), (39, 5674404), (47, 4708548), (52, 4255803), (78, 2837202), (94, 2354274), (117, 1891468), (141, 1569516), (156, 1418601), (188, 1177137), (234, 945734), (282, 784758), (423, 523172), (468, 472867), (564, 392379), (611, 362196), (846, 261586), (1222, 181098), (1692, 130793), (1833, 120732), (2444, 90549), (3666, 60366), (5499, 40244), (7332, 30183), (10061, 21996), (10998, 20122)]