1605708

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1$

素因数の和:143

約数の個数: 72

約数和(自身を含む): 4525248

約数和(自身を除く): 2919540

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 47, 52, 73, 78, 94, 117, 141, 146, 156, 188, 219, 234, 282, 292, 423, 438, 468, 564, 611, 657, 846, 876, 949, 1222, 1314, 1692, 1833, 1898, 2444, 2628, 2847, 3431, 3666, 3796, 5499, 5694, 6862, 7332, 8541, 10293, 10998, 11388, 13724, 17082, 20586, 21996, 30879, 34164, 41172, 44603, 61758, 89206, 123516, 133809, 178412, 267618, 401427, 535236, 802854, 1605708]

約数ペア:

[(1, 1605708), (2, 802854), (3, 535236), (4, 401427), (6, 267618), (9, 178412), (12, 133809), (13, 123516), (18, 89206), (26, 61758), (36, 44603), (39, 41172), (47, 34164), (52, 30879), (73, 21996), (78, 20586), (94, 17082), (117, 13724), (141, 11388), (146, 10998), (156, 10293), (188, 8541), (219, 7332), (234, 6862), (282, 5694), (292, 5499), (423, 3796), (438, 3666), (468, 3431), (564, 2847), (611, 2628), (657, 2444), (846, 1898), (876, 1833), (949, 1692), (1222, 1314)]