131781858

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{149}}^1$

素因数の和:236

約数の個数: 128

約数和(自身を含む): 326592000

約数和(自身を除く): 194810142

約数列:

[1, 2, 3, 6, 13, 17, 23, 26, 29, 34, 39, 46, 51, 58, 69, 78, 87, 102, 138, 149, 174, 221, 298, 299, 377, 391, 442, 447, 493, 598, 663, 667, 754, 782, 894, 897, 986, 1131, 1173, 1326, 1334, 1479, 1794, 1937, 2001, 2262, 2346, 2533, 2958, 3427, 3874, 4002, 4321, 5066, 5083, 5811, 6409, 6854, 7599, 8642, 8671, 10166, 10281, 11339, 11622, 12818, 12963, 15198, 15249, 17342, 19227, 20562, 22678, 25926, 26013, 30498, 32929, 34017, 38454, 44551, 52026, 56173, 58259, 65858, 68034, 73457, 89102, 98787, 99383, 112346, 116518, 133653, 146914, 147407, 168519, 174777, 197574, 198766, 220371, 267306, 294814, 298149, 337038, 349554, 440742, 442221, 596298, 757367, 884442, 954941, 1291979, 1514734, 1689511, 1909882, 2272101, 2583958, 2864823, 3379022, 3875937, 4544202, 5068533, 5729646, 7751874, 10137066, 21963643, 43927286, 65890929, 131781858]

約数ペア:

[(1, 131781858), (2, 65890929), (3, 43927286), (6, 21963643), (13, 10137066), (17, 7751874), (23, 5729646), (26, 5068533), (29, 4544202), (34, 3875937), (39, 3379022), (46, 2864823), (51, 2583958), (58, 2272101), (69, 1909882), (78, 1689511), (87, 1514734), (102, 1291979), (138, 954941), (149, 884442), (174, 757367), (221, 596298), (298, 442221), (299, 440742), (377, 349554), (391, 337038), (442, 298149), (447, 294814), (493, 267306), (598, 220371), (663, 198766), (667, 197574), (754, 174777), (782, 168519), (894, 147407), (897, 146914), (986, 133653), (1131, 116518), (1173, 112346), (1326, 99383), (1334, 98787), (1479, 89102), (1794, 73457), (1937, 68034), (2001, 65858), (2262, 58259), (2346, 56173), (2533, 52026), (2958, 44551), (3427, 38454), (3874, 34017), (4002, 32929), (4321, 30498), (5066, 26013), (5083, 25926), (5811, 22678), (6409, 20562), (6854, 19227), (7599, 17342), (8642, 15249), (8671, 15198), (10166, 12963), (10281, 12818), (11339, 11622)]