261589188

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{251}}^1\times {\mathrm{653}}^1$

素因数の和:937

約数の個数: 96

約数和(自身を含む): 738339840

約数和(自身を除く): 476750652

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 19, 21, 28, 38, 42, 57, 76, 84, 114, 133, 228, 251, 266, 399, 502, 532, 653, 753, 798, 1004, 1306, 1506, 1596, 1757, 1959, 2612, 3012, 3514, 3918, 4571, 4769, 5271, 7028, 7836, 9142, 9538, 10542, 12407, 13713, 14307, 18284, 19076, 21084, 24814, 27426, 28614, 33383, 37221, 49628, 54852, 57228, 66766, 74442, 86849, 100149, 133532, 148884, 163903, 173698, 200298, 260547, 327806, 347396, 400596, 491709, 521094, 655612, 983418, 1042188, 1147321, 1966836, 2294642, 3114157, 3441963, 4589284, 6228314, 6883926, 9342471, 12456628, 13767852, 18684942, 21799099, 37369884, 43598198, 65397297, 87196396, 130794594, 261589188]

約数ペア:

[(1, 261589188), (2, 130794594), (3, 87196396), (4, 65397297), (6, 43598198), (7, 37369884), (12, 21799099), (14, 18684942), (19, 13767852), (21, 12456628), (28, 9342471), (38, 6883926), (42, 6228314), (57, 4589284), (76, 3441963), (84, 3114157), (114, 2294642), (133, 1966836), (228, 1147321), (251, 1042188), (266, 983418), (399, 655612), (502, 521094), (532, 491709), (653, 400596), (753, 347396), (798, 327806), (1004, 260547), (1306, 200298), (1506, 173698), (1596, 163903), (1757, 148884), (1959, 133532), (2612, 100149), (3012, 86849), (3514, 74442), (3918, 66766), (4571, 57228), (4769, 54852), (5271, 49628), (7028, 37221), (7836, 33383), (9142, 28614), (9538, 27426), (10542, 24814), (12407, 21084), (13713, 19076), (14307, 18284)]