78908076

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{1213}}^1$

素因数の和:1375

約数の個数: 72

約数和(自身を含む): 216529040

約数和(自身を除く): 137620964

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 139, 156, 234, 278, 417, 468, 556, 834, 1213, 1251, 1668, 1807, 2426, 2502, 3614, 3639, 4852, 5004, 5421, 7228, 7278, 10842, 10917, 14556, 15769, 16263, 21684, 21834, 31538, 32526, 43668, 47307, 63076, 65052, 94614, 141921, 168607, 189228, 283842, 337214, 505821, 567684, 674428, 1011642, 1517463, 2023284, 2191891, 3034926, 4383782, 6069852, 6575673, 8767564, 13151346, 19727019, 26302692, 39454038, 78908076]

約数ペア:

[(1, 78908076), (2, 39454038), (3, 26302692), (4, 19727019), (6, 13151346), (9, 8767564), (12, 6575673), (13, 6069852), (18, 4383782), (26, 3034926), (36, 2191891), (39, 2023284), (52, 1517463), (78, 1011642), (117, 674428), (139, 567684), (156, 505821), (234, 337214), (278, 283842), (417, 189228), (468, 168607), (556, 141921), (834, 94614), (1213, 65052), (1251, 63076), (1668, 47307), (1807, 43668), (2426, 32526), (2502, 31538), (3614, 21834), (3639, 21684), (4852, 16263), (5004, 15769), (5421, 14556), (7228, 10917), (7278, 10842)]