2045943921

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{251}}^1\times {\mathrm{659}}^1$

素因数の和:970

約数の個数: 64

約数和(自身を含む): 3406233600

約数和(自身を除く): 1360289679

約数列:

[1, 3, 7, 19, 21, 31, 57, 93, 133, 217, 251, 399, 589, 651, 659, 753, 1757, 1767, 1977, 4123, 4613, 4769, 5271, 7781, 12369, 12521, 13839, 14307, 20429, 23343, 33383, 37563, 54467, 61287, 87647, 100149, 143003, 147839, 163401, 165409, 262941, 388151, 429009, 443517, 496227, 1034873, 1157863, 1164453, 2717057, 3104619, 3142771, 3473589, 5127679, 8151171, 9428313, 15383037, 21999397, 35893753, 65998191, 97425901, 107681259, 292277703, 681981307, 2045943921]

約数ペア:

[(1, 2045943921), (3, 681981307), (7, 292277703), (19, 107681259), (21, 97425901), (31, 65998191), (57, 35893753), (93, 21999397), (133, 15383037), (217, 9428313), (251, 8151171), (399, 5127679), (589, 3473589), (651, 3142771), (659, 3104619), (753, 2717057), (1757, 1164453), (1767, 1157863), (1977, 1034873), (4123, 496227), (4613, 443517), (4769, 429009), (5271, 388151), (7781, 262941), (12369, 165409), (12521, 163401), (13839, 147839), (14307, 143003), (20429, 100149), (23343, 87647), (33383, 61287), (37563, 54467)]