13321672

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{631}}^1$

素因数の和:686

約数の個数: 64

約数和(自身を含む): 31852800

約数和(自身を除く): 18531128

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 29, 52, 56, 58, 91, 104, 116, 182, 203, 232, 364, 377, 406, 631, 728, 754, 812, 1262, 1508, 1624, 2524, 2639, 3016, 4417, 5048, 5278, 8203, 8834, 10556, 16406, 17668, 18299, 21112, 32812, 35336, 36598, 57421, 65624, 73196, 114842, 128093, 146392, 229684, 237887, 256186, 459368, 475774, 512372, 951548, 1024744, 1665209, 1903096, 3330418, 6660836, 13321672]

約数ペア:

[(1, 13321672), (2, 6660836), (4, 3330418), (7, 1903096), (8, 1665209), (13, 1024744), (14, 951548), (26, 512372), (28, 475774), (29, 459368), (52, 256186), (56, 237887), (58, 229684), (91, 146392), (104, 128093), (116, 114842), (182, 73196), (203, 65624), (232, 57421), (364, 36598), (377, 35336), (406, 32812), (631, 21112), (728, 18299), (754, 17668), (812, 16406), (1262, 10556), (1508, 8834), (1624, 8203), (2524, 5278), (2639, 5048), (3016, 4417)]