131721604

素因数分解:

$2^2\times 7^3\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1$

素因数の和:238

約数の個数: 96

約数和(自身を含む): 293888000

約数和(自身を除く): 162166396

約数列:

[1, 2, 4, 7, 14, 19, 28, 31, 38, 49, 62, 76, 98, 124, 133, 163, 196, 217, 266, 326, 343, 434, 532, 589, 652, 686, 868, 931, 1141, 1178, 1372, 1519, 1862, 2282, 2356, 3038, 3097, 3724, 4123, 4564, 5053, 6076, 6194, 6517, 7987, 8246, 10106, 10633, 12388, 13034, 15974, 16492, 20212, 21266, 21679, 26068, 28861, 31948, 35371, 42532, 43358, 55909, 57722, 70742, 86716, 96007, 111818, 115444, 141484, 151753, 192014, 202027, 223636, 247597, 303506, 384028, 404054, 495194, 607012, 672049, 808108, 990388, 1062271, 1344098, 1733179, 2124542, 2688196, 3466358, 4249084, 4704343, 6932716, 9408686, 18817372, 32930401, 65860802, 131721604]

約数ペア:

[(1, 131721604), (2, 65860802), (4, 32930401), (7, 18817372), (14, 9408686), (19, 6932716), (28, 4704343), (31, 4249084), (38, 3466358), (49, 2688196), (62, 2124542), (76, 1733179), (98, 1344098), (124, 1062271), (133, 990388), (163, 808108), (196, 672049), (217, 607012), (266, 495194), (326, 404054), (343, 384028), (434, 303506), (532, 247597), (589, 223636), (652, 202027), (686, 192014), (868, 151753), (931, 141484), (1141, 115444), (1178, 111818), (1372, 96007), (1519, 86716), (1862, 70742), (2282, 57722), (2356, 55909), (3038, 43358), (3097, 42532), (3724, 35371), (4123, 31948), (4564, 28861), (5053, 26068), (6076, 21679), (6194, 21266), (6517, 20212), (7987, 16492), (8246, 15974), (10106, 13034), (10633, 12388)]