245122164

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{521}}^1\times {\mathrm{1867}}^1$

素因数の和:2405

約数の個数: 72

約数和(自身を含む): 709869888

約数和(自身を除く): 464747724

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 521, 1042, 1563, 1867, 2084, 3126, 3647, 3734, 4689, 5601, 6252, 7294, 7468, 9378, 10941, 11202, 13069, 14588, 16803, 18756, 21882, 22404, 26138, 32823, 33606, 39207, 43764, 52276, 65646, 67212, 78414, 117621, 131292, 156828, 235242, 470484, 972707, 1945414, 2918121, 3890828, 5836242, 6808949, 8754363, 11672484, 13617898, 17508726, 20426847, 27235796, 35017452, 40853694, 61280541, 81707388, 122561082, 245122164]

約数ペア:

[(1, 245122164), (2, 122561082), (3, 81707388), (4, 61280541), (6, 40853694), (7, 35017452), (9, 27235796), (12, 20426847), (14, 17508726), (18, 13617898), (21, 11672484), (28, 8754363), (36, 6808949), (42, 5836242), (63, 3890828), (84, 2918121), (126, 1945414), (252, 972707), (521, 470484), (1042, 235242), (1563, 156828), (1867, 131292), (2084, 117621), (3126, 78414), (3647, 67212), (3734, 65646), (4689, 52276), (5601, 43764), (6252, 39207), (7294, 33606), (7468, 32823), (9378, 26138), (10941, 22404), (11202, 21882), (13069, 18756), (14588, 16803)]