1278820746

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{3221}}^1$

素因数の和:3396

約数の個数: 96

約数和(自身を含む): 3329434368

約数和(自身を除く): 2050613622

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 23, 42, 46, 63, 69, 126, 137, 138, 161, 207, 274, 322, 411, 414, 483, 822, 959, 966, 1233, 1449, 1918, 2466, 2877, 2898, 3151, 3221, 5754, 6302, 6442, 8631, 9453, 9663, 17262, 18906, 19326, 22057, 22547, 28359, 28989, 44114, 45094, 56718, 57978, 66171, 67641, 74083, 132342, 135282, 148166, 198513, 202923, 222249, 397026, 405846, 441277, 444498, 518581, 666747, 882554, 1037162, 1323831, 1333494, 1555743, 2647662, 3088939, 3111486, 3971493, 4667229, 6177878, 7942986, 9266817, 9334458, 10149371, 18533634, 20298742, 27800451, 30448113, 55600902, 60896226, 71045597, 91344339, 142091194, 182688678, 213136791, 426273582, 639410373, 1278820746]

約数ペア:

[(1, 1278820746), (2, 639410373), (3, 426273582), (6, 213136791), (7, 182688678), (9, 142091194), (14, 91344339), (18, 71045597), (21, 60896226), (23, 55600902), (42, 30448113), (46, 27800451), (63, 20298742), (69, 18533634), (126, 10149371), (137, 9334458), (138, 9266817), (161, 7942986), (207, 6177878), (274, 4667229), (322, 3971493), (411, 3111486), (414, 3088939), (483, 2647662), (822, 1555743), (959, 1333494), (966, 1323831), (1233, 1037162), (1449, 882554), (1918, 666747), (2466, 518581), (2877, 444498), (2898, 441277), (3151, 405846), (3221, 397026), (5754, 222249), (6302, 202923), (6442, 198513), (8631, 148166), (9453, 135282), (9663, 132342), (17262, 74083), (18906, 67641), (19326, 66171), (22057, 57978), (22547, 56718), (28359, 45094), (28989, 44114)]