199352816

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{719}}^1$

素因数の和:814

約数の個数: 80

約数和(自身を含む): 439971840

約数和(自身を除く): 240619024

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 43, 52, 62, 86, 104, 124, 172, 208, 248, 344, 403, 496, 559, 688, 719, 806, 1118, 1333, 1438, 1612, 2236, 2666, 2876, 3224, 4472, 5332, 5752, 6448, 8944, 9347, 10664, 11504, 17329, 18694, 21328, 22289, 30917, 34658, 37388, 44578, 61834, 69316, 74776, 89156, 123668, 138632, 149552, 178312, 247336, 277264, 289757, 356624, 401921, 494672, 579514, 803842, 958427, 1159028, 1607684, 1916854, 2318056, 3215368, 3833708, 4636112, 6430736, 7667416, 12459551, 15334832, 24919102, 49838204, 99676408, 199352816]

約数ペア:

[(1, 199352816), (2, 99676408), (4, 49838204), (8, 24919102), (13, 15334832), (16, 12459551), (26, 7667416), (31, 6430736), (43, 4636112), (52, 3833708), (62, 3215368), (86, 2318056), (104, 1916854), (124, 1607684), (172, 1159028), (208, 958427), (248, 803842), (344, 579514), (403, 494672), (496, 401921), (559, 356624), (688, 289757), (719, 277264), (806, 247336), (1118, 178312), (1333, 149552), (1438, 138632), (1612, 123668), (2236, 89156), (2666, 74776), (2876, 69316), (3224, 61834), (4472, 44578), (5332, 37388), (5752, 34658), (6448, 30917), (8944, 22289), (9347, 21328), (10664, 18694), (11504, 17329)]