643091358

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{971}}^1\times {\mathrm{1213}}^1$

素因数の和:2209

約数の個数: 64

約数和(自身を含む): 1585930752

約数和(自身を除く): 942839394

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 78, 91, 182, 273, 546, 971, 1213, 1942, 2426, 2913, 3639, 5826, 6797, 7278, 8491, 12623, 13594, 15769, 16982, 20391, 25246, 25473, 31538, 37869, 40782, 47307, 50946, 75738, 88361, 94614, 110383, 176722, 220766, 265083, 331149, 530166, 662298, 1177823, 2355646, 3533469, 7066938, 8244761, 15311699, 16489522, 24734283, 30623398, 45935097, 49468566, 91870194, 107181893, 214363786, 321545679, 643091358]

約数ペア:

[(1, 643091358), (2, 321545679), (3, 214363786), (6, 107181893), (7, 91870194), (13, 49468566), (14, 45935097), (21, 30623398), (26, 24734283), (39, 16489522), (42, 15311699), (78, 8244761), (91, 7066938), (182, 3533469), (273, 2355646), (546, 1177823), (971, 662298), (1213, 530166), (1942, 331149), (2426, 265083), (2913, 220766), (3639, 176722), (5826, 110383), (6797, 94614), (7278, 88361), (8491, 75738), (12623, 50946), (13594, 47307), (15769, 40782), (16982, 37869), (20391, 31538), (25246, 25473)]