78647868

素因数分解:

$2^2\times 3^3\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{139}}^1$

素因数の和:209

約数の個数: 144

約数和(自身を含む): 229555200

約数和(自身を除く): 150907332

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 31, 36, 39, 52, 54, 62, 78, 93, 108, 117, 124, 139, 156, 169, 186, 234, 278, 279, 338, 351, 372, 403, 417, 468, 507, 556, 558, 676, 702, 806, 834, 837, 1014, 1116, 1209, 1251, 1404, 1521, 1612, 1668, 1674, 1807, 2028, 2418, 2502, 3042, 3348, 3614, 3627, 3753, 4309, 4563, 4836, 5004, 5239, 5421, 6084, 7228, 7254, 7506, 8618, 9126, 10478, 10842, 10881, 12927, 14508, 15012, 15717, 16263, 17236, 18252, 20956, 21684, 21762, 23491, 25854, 31434, 32526, 38781, 43524, 46982, 47151, 48789, 51708, 56017, 62868, 65052, 70473, 77562, 93964, 94302, 97578, 112034, 116343, 140946, 141453, 155124, 168051, 188604, 195156, 211419, 224068, 232686, 281892, 282906, 336102, 422838, 465372, 504153, 565812, 634257, 672204, 728221, 845676, 1008306, 1268514, 1456442, 1512459, 2016612, 2184663, 2537028, 2912884, 3024918, 4369326, 6049836, 6553989, 8738652, 13107978, 19661967, 26215956, 39323934, 78647868]

約数ペア:

[(1, 78647868), (2, 39323934), (3, 26215956), (4, 19661967), (6, 13107978), (9, 8738652), (12, 6553989), (13, 6049836), (18, 4369326), (26, 3024918), (27, 2912884), (31, 2537028), (36, 2184663), (39, 2016612), (52, 1512459), (54, 1456442), (62, 1268514), (78, 1008306), (93, 845676), (108, 728221), (117, 672204), (124, 634257), (139, 565812), (156, 504153), (169, 465372), (186, 422838), (234, 336102), (278, 282906), (279, 281892), (338, 232686), (351, 224068), (372, 211419), (403, 195156), (417, 188604), (468, 168051), (507, 155124), (556, 141453), (558, 140946), (676, 116343), (702, 112034), (806, 97578), (834, 94302), (837, 93964), (1014, 77562), (1116, 70473), (1209, 65052), (1251, 62868), (1404, 56017), (1521, 51708), (1612, 48789), (1668, 47151), (1674, 46982), (1807, 43524), (2028, 38781), (2418, 32526), (2502, 31434), (3042, 25854), (3348, 23491), (3614, 21762), (3627, 21684), (3753, 20956), (4309, 18252), (4563, 17236), (4836, 16263), (5004, 15717), (5239, 15012), (5421, 14508), (6084, 12927), (7228, 10881), (7254, 10842), (7506, 10478), (8618, 9126)]