78400098

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{103}}^1\times {\mathrm{863}}^1$

素因数の和:988

約数の個数: 72

約数和(自身を含む): 199749888

約数和(自身を除く): 121349790

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 49, 63, 98, 103, 126, 147, 206, 294, 309, 441, 618, 721, 863, 882, 927, 1442, 1726, 1854, 2163, 2589, 4326, 5047, 5178, 6041, 6489, 7767, 10094, 12082, 12978, 15141, 15534, 18123, 30282, 36246, 42287, 45423, 54369, 84574, 88889, 90846, 108738, 126861, 177778, 253722, 266667, 380583, 533334, 622223, 761166, 800001, 1244446, 1600002, 1866669, 3733338, 4355561, 5600007, 8711122, 11200014, 13066683, 26133366, 39200049, 78400098]

約数ペア:

[(1, 78400098), (2, 39200049), (3, 26133366), (6, 13066683), (7, 11200014), (9, 8711122), (14, 5600007), (18, 4355561), (21, 3733338), (42, 1866669), (49, 1600002), (63, 1244446), (98, 800001), (103, 761166), (126, 622223), (147, 533334), (206, 380583), (294, 266667), (309, 253722), (441, 177778), (618, 126861), (721, 108738), (863, 90846), (882, 88889), (927, 84574), (1442, 54369), (1726, 45423), (1854, 42287), (2163, 36246), (2589, 30282), (4326, 18123), (5047, 15534), (5178, 15141), (6041, 12978), (6489, 12082), (7767, 10094)]