64616745

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1$

素因数の和:222

約数の個数: 64

約数和(自身を含む): 114960384

約数和(自身を除く): 50343639

約数列:

[1, 3, 5, 15, 17, 43, 51, 71, 83, 85, 129, 213, 215, 249, 255, 355, 415, 645, 731, 1065, 1207, 1245, 1411, 2193, 3053, 3569, 3621, 3655, 4233, 5893, 6035, 7055, 9159, 10707, 10965, 15265, 17679, 17845, 18105, 21165, 29465, 45795, 51901, 53535, 60673, 88395, 100181, 155703, 182019, 253399, 259505, 300543, 303365, 500905, 760197, 778515, 910095, 1266995, 1502715, 3800985, 4307783, 12923349, 21538915, 64616745]

約数ペア:

[(1, 64616745), (3, 21538915), (5, 12923349), (15, 4307783), (17, 3800985), (43, 1502715), (51, 1266995), (71, 910095), (83, 778515), (85, 760197), (129, 500905), (213, 303365), (215, 300543), (249, 259505), (255, 253399), (355, 182019), (415, 155703), (645, 100181), (731, 88395), (1065, 60673), (1207, 53535), (1245, 51901), (1411, 45795), (2193, 29465), (3053, 21165), (3569, 18105), (3621, 17845), (3655, 17679), (4233, 15265), (5893, 10965), (6035, 10707), (7055, 9159)]