70721028

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{280639}}^1$

素因数の和:280656

約数の個数: 36

約数和(自身を含む): 204305920

約数和(自身を除く): 133584892

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 280639, 561278, 841917, 1122556, 1683834, 1964473, 2525751, 3367668, 3928946, 5051502, 5893419, 7857892, 10103004, 11786838, 17680257, 23573676, 35360514, 70721028]

約数ペア:

[(1, 70721028), (2, 35360514), (3, 23573676), (4, 17680257), (6, 11786838), (7, 10103004), (9, 7857892), (12, 5893419), (14, 5051502), (18, 3928946), (21, 3367668), (28, 2525751), (36, 1964473), (42, 1683834), (63, 1122556), (84, 841917), (126, 561278), (252, 280639)]