64866438

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{199}}^2$

素因数の和:426

約数の個数: 72

約数和(自身を含む): 173850768

約数和(自身を除く): 108984330

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 39, 42, 63, 78, 91, 117, 126, 182, 199, 234, 273, 398, 546, 597, 819, 1194, 1393, 1638, 1791, 2587, 2786, 3582, 4179, 5174, 7761, 8358, 12537, 15522, 18109, 23283, 25074, 36218, 39601, 46566, 54327, 79202, 108654, 118803, 162981, 237606, 277207, 325962, 356409, 514813, 554414, 712818, 831621, 1029626, 1544439, 1663242, 2494863, 3088878, 3603691, 4633317, 4989726, 7207382, 9266634, 10811073, 21622146, 32433219, 64866438]

約数ペア:

[(1, 64866438), (2, 32433219), (3, 21622146), (6, 10811073), (7, 9266634), (9, 7207382), (13, 4989726), (14, 4633317), (18, 3603691), (21, 3088878), (26, 2494863), (39, 1663242), (42, 1544439), (63, 1029626), (78, 831621), (91, 712818), (117, 554414), (126, 514813), (182, 356409), (199, 325962), (234, 277207), (273, 237606), (398, 162981), (546, 118803), (597, 108654), (819, 79202), (1194, 54327), (1393, 46566), (1638, 39601), (1791, 36218), (2587, 25074), (2786, 23283), (3582, 18109), (4179, 15522), (5174, 12537), (7761, 8358)]