661917144

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{28759}}^1$

素因数の和:28912

約数の個数: 64

約数和(自身を含む): 1905062400

約数和(自身を除く): 1243145256

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 137, 168, 274, 411, 548, 822, 959, 1096, 1644, 1918, 2877, 3288, 3836, 5754, 7672, 11508, 23016, 28759, 57518, 86277, 115036, 172554, 201313, 230072, 345108, 402626, 603939, 690216, 805252, 1207878, 1610504, 2415756, 3939983, 4831512, 7879966, 11819949, 15759932, 23639898, 27579881, 31519864, 47279796, 55159762, 82739643, 94559592, 110319524, 165479286, 220639048, 330958572, 661917144]

約数ペア:

[(1, 661917144), (2, 330958572), (3, 220639048), (4, 165479286), (6, 110319524), (7, 94559592), (8, 82739643), (12, 55159762), (14, 47279796), (21, 31519864), (24, 27579881), (28, 23639898), (42, 15759932), (56, 11819949), (84, 7879966), (137, 4831512), (168, 3939983), (274, 2415756), (411, 1610504), (548, 1207878), (822, 805252), (959, 690216), (1096, 603939), (1644, 402626), (1918, 345108), (2877, 230072), (3288, 201313), (3836, 172554), (5754, 115036), (7672, 86277), (11508, 57518), (23016, 28759)]