1581977089

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{239}}^1$

素因数の和:394

約数の個数: 64

約数和(自身を含む): 2123366400

約数和(自身を除く): 541389311

約数列:

[1, 7, 11, 31, 47, 59, 77, 217, 239, 329, 341, 413, 517, 649, 1457, 1673, 1829, 2387, 2629, 2773, 3619, 4543, 7409, 10199, 11233, 12803, 14101, 16027, 18403, 19411, 20119, 30503, 51863, 78631, 81499, 85963, 98707, 112189, 123563, 140833, 155111, 213521, 348223, 437131, 570493, 601741, 662747, 864941, 945593, 1085777, 2437561, 3059917, 3830453, 4639229, 4808441, 6619151, 7290217, 20545157, 26813171, 33659087, 51031519, 143816099, 225996727, 1581977089]

約数ペア:

[(1, 1581977089), (7, 225996727), (11, 143816099), (31, 51031519), (47, 33659087), (59, 26813171), (77, 20545157), (217, 7290217), (239, 6619151), (329, 4808441), (341, 4639229), (413, 3830453), (517, 3059917), (649, 2437561), (1457, 1085777), (1673, 945593), (1829, 864941), (2387, 662747), (2629, 601741), (2773, 570493), (3619, 437131), (4543, 348223), (7409, 213521), (10199, 155111), (11233, 140833), (12803, 123563), (14101, 112189), (16027, 98707), (18403, 85963), (19411, 81499), (20119, 78631), (30503, 51863)]