721280014

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{167}}^1\times {\mathrm{1249}}^1$

素因数の和:1457

約数の個数: 64

約数和(自身を含む): 1411200000

約数和(自身を除く): 689919986

約数列:

[1, 2, 7, 13, 14, 19, 26, 38, 91, 133, 167, 182, 247, 266, 334, 494, 1169, 1249, 1729, 2171, 2338, 2498, 3173, 3458, 4342, 6346, 8743, 15197, 16237, 17486, 22211, 23731, 30394, 32474, 41249, 44422, 47462, 82498, 113659, 166117, 208583, 227318, 288743, 308503, 332234, 417166, 577486, 617006, 1460081, 2159521, 2711579, 2920162, 3963077, 4319042, 5423158, 7926154, 18981053, 27741539, 37962106, 51520001, 55483078, 103040002, 360640007, 721280014]

約数ペア:

[(1, 721280014), (2, 360640007), (7, 103040002), (13, 55483078), (14, 51520001), (19, 37962106), (26, 27741539), (38, 18981053), (91, 7926154), (133, 5423158), (167, 4319042), (182, 3963077), (247, 2920162), (266, 2711579), (334, 2159521), (494, 1460081), (1169, 617006), (1249, 577486), (1729, 417166), (2171, 332234), (2338, 308503), (2498, 288743), (3173, 227318), (3458, 208583), (4342, 166117), (6346, 113659), (8743, 82498), (15197, 47462), (16237, 44422), (17486, 41249), (22211, 32474), (23731, 30394)]