1561716

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1$

素因数の和:141

約数の個数: 72

約数和(自身を含む): 4402944

約数和(自身を除く): 2841228

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 47, 52, 71, 78, 94, 117, 141, 142, 156, 188, 213, 234, 282, 284, 423, 426, 468, 564, 611, 639, 846, 852, 923, 1222, 1278, 1692, 1833, 1846, 2444, 2556, 2769, 3337, 3666, 3692, 5499, 5538, 6674, 7332, 8307, 10011, 10998, 11076, 13348, 16614, 20022, 21996, 30033, 33228, 40044, 43381, 60066, 86762, 120132, 130143, 173524, 260286, 390429, 520572, 780858, 1561716]

約数ペア:

[(1, 1561716), (2, 780858), (3, 520572), (4, 390429), (6, 260286), (9, 173524), (12, 130143), (13, 120132), (18, 86762), (26, 60066), (36, 43381), (39, 40044), (47, 33228), (52, 30033), (71, 21996), (78, 20022), (94, 16614), (117, 13348), (141, 11076), (142, 10998), (156, 10011), (188, 8307), (213, 7332), (234, 6674), (282, 5538), (284, 5499), (423, 3692), (426, 3666), (468, 3337), (564, 2769), (611, 2556), (639, 2444), (846, 1846), (852, 1833), (923, 1692), (1222, 1278)]