1978535013

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{199}}^1\times {\mathrm{461}}^1$

素因数の和:762

約数の個数: 64

約数和(自身を含む): 3311616000

約数和(自身を除く): 1333080987

約数列:

[1, 3, 7, 13, 21, 39, 79, 91, 199, 237, 273, 461, 553, 597, 1027, 1383, 1393, 1659, 2587, 3081, 3227, 4179, 5993, 7189, 7761, 9681, 15721, 17979, 18109, 21567, 36419, 41951, 47163, 54327, 91739, 109257, 110047, 125853, 204373, 254933, 275217, 330141, 473447, 613119, 642173, 764799, 1192607, 1420341, 1430611, 1926519, 3314129, 3577821, 4291833, 7247381, 8348249, 9942387, 21742143, 25044747, 50731667, 94215953, 152195001, 282647859, 659511671, 1978535013]

約数ペア:

[(1, 1978535013), (3, 659511671), (7, 282647859), (13, 152195001), (21, 94215953), (39, 50731667), (79, 25044747), (91, 21742143), (199, 9942387), (237, 8348249), (273, 7247381), (461, 4291833), (553, 3577821), (597, 3314129), (1027, 1926519), (1383, 1430611), (1393, 1420341), (1659, 1192607), (2587, 764799), (3081, 642173), (3227, 613119), (4179, 473447), (5993, 330141), (7189, 275217), (7761, 254933), (9681, 204373), (15721, 125853), (17979, 110047), (18109, 109257), (21567, 91739), (36419, 54327), (41951, 47163)]