321440652

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{15973}}^1$

素因数の和:16039

約数の個数: 72

約数和(自身を含む): 895438544

約数和(自身を除く): 573997892

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 43, 52, 78, 86, 117, 129, 156, 172, 234, 258, 387, 468, 516, 559, 774, 1118, 1548, 1677, 2236, 3354, 5031, 6708, 10062, 15973, 20124, 31946, 47919, 63892, 95838, 143757, 191676, 207649, 287514, 415298, 575028, 622947, 686839, 830596, 1245894, 1373678, 1868841, 2060517, 2491788, 2747356, 3737682, 4121034, 6181551, 7475364, 8242068, 8928907, 12363102, 17857814, 24726204, 26786721, 35715628, 53573442, 80360163, 107146884, 160720326, 321440652]

約数ペア:

[(1, 321440652), (2, 160720326), (3, 107146884), (4, 80360163), (6, 53573442), (9, 35715628), (12, 26786721), (13, 24726204), (18, 17857814), (26, 12363102), (36, 8928907), (39, 8242068), (43, 7475364), (52, 6181551), (78, 4121034), (86, 3737682), (117, 2747356), (129, 2491788), (156, 2060517), (172, 1868841), (234, 1373678), (258, 1245894), (387, 830596), (468, 686839), (516, 622947), (559, 575028), (774, 415298), (1118, 287514), (1548, 207649), (1677, 191676), (2236, 143757), (3354, 95838), (5031, 63892), (6708, 47919), (10062, 31946), (15973, 20124)]