78865668

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{131}}^1\times {\mathrm{2389}}^1$

素因数の和:2537

約数の個数: 72

約数和(自身を含む): 229669440

約数和(自身を除く): 150803772

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 131, 252, 262, 393, 524, 786, 917, 1179, 1572, 1834, 2358, 2389, 2751, 3668, 4716, 4778, 5502, 7167, 8253, 9556, 11004, 14334, 16506, 16723, 21501, 28668, 33012, 33446, 43002, 50169, 66892, 86004, 100338, 150507, 200676, 301014, 312959, 602028, 625918, 938877, 1251836, 1877754, 2190713, 2816631, 3755508, 4381426, 5633262, 6572139, 8762852, 11266524, 13144278, 19716417, 26288556, 39432834, 78865668]

約数ペア:

[(1, 78865668), (2, 39432834), (3, 26288556), (4, 19716417), (6, 13144278), (7, 11266524), (9, 8762852), (12, 6572139), (14, 5633262), (18, 4381426), (21, 3755508), (28, 2816631), (36, 2190713), (42, 1877754), (63, 1251836), (84, 938877), (126, 625918), (131, 602028), (252, 312959), (262, 301014), (393, 200676), (524, 150507), (786, 100338), (917, 86004), (1179, 66892), (1572, 50169), (1834, 43002), (2358, 33446), (2389, 33012), (2751, 28668), (3668, 21501), (4716, 16723), (4778, 16506), (5502, 14334), (7167, 11004), (8253, 9556)]