221032578

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{127}}^1\times {\mathrm{421}}^1$

素因数の和:619

約数の個数: 64

約数和(自身を含む): 490033152

約数和(自身を除く): 269000574

約数列:

[1, 2, 3, 6, 13, 26, 39, 53, 78, 106, 127, 159, 254, 318, 381, 421, 689, 762, 842, 1263, 1378, 1651, 2067, 2526, 3302, 4134, 4953, 5473, 6731, 9906, 10946, 13462, 16419, 20193, 22313, 32838, 40386, 44626, 53467, 66939, 87503, 106934, 133878, 160401, 175006, 262509, 290069, 320802, 525018, 580138, 695071, 870207, 1390142, 1740414, 2085213, 2833751, 4170426, 5667502, 8501253, 17002506, 36838763, 73677526, 110516289, 221032578]

約数ペア:

[(1, 221032578), (2, 110516289), (3, 73677526), (6, 36838763), (13, 17002506), (26, 8501253), (39, 5667502), (53, 4170426), (78, 2833751), (106, 2085213), (127, 1740414), (159, 1390142), (254, 870207), (318, 695071), (381, 580138), (421, 525018), (689, 320802), (762, 290069), (842, 262509), (1263, 175006), (1378, 160401), (1651, 133878), (2067, 106934), (2526, 87503), (3302, 66939), (4134, 53467), (4953, 44626), (5473, 40386), (6731, 32838), (9906, 22313), (10946, 20193), (13462, 16419)]