78216507

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{149}}^1$

素因数の和:292

約数の個数: 48

約数和(自身を含む): 124675200

約数和(自身を除く): 46458693

約数列:

[1, 3, 9, 17, 47, 51, 73, 141, 149, 153, 219, 423, 447, 657, 799, 1241, 1341, 2397, 2533, 3431, 3723, 7003, 7191, 7599, 10293, 10877, 11169, 21009, 22797, 30879, 32631, 58327, 63027, 97893, 119051, 174981, 184909, 357153, 511219, 524943, 554727, 1071459, 1533657, 1664181, 4600971, 8690723, 26072169, 78216507]

約数ペア:

[(1, 78216507), (3, 26072169), (9, 8690723), (17, 4600971), (47, 1664181), (51, 1533657), (73, 1071459), (141, 554727), (149, 524943), (153, 511219), (219, 357153), (423, 184909), (447, 174981), (657, 119051), (799, 97893), (1241, 63027), (1341, 58327), (2397, 32631), (2533, 30879), (3431, 22797), (3723, 21009), (7003, 11169), (7191, 10877), (7599, 10293)]