131387748

素因数分解:

$2^2\times 3^1\times {\mathrm{29}}^2\times {\mathrm{47}}^1\times {\mathrm{277}}^1$

素因数の和:389

約数の個数: 72

約数和(自身を含む): 325433472

約数和(自身を除く): 194045724

約数列:

[1, 2, 3, 4, 6, 12, 29, 47, 58, 87, 94, 116, 141, 174, 188, 277, 282, 348, 554, 564, 831, 841, 1108, 1363, 1662, 1682, 2523, 2726, 3324, 3364, 4089, 5046, 5452, 8033, 8178, 10092, 13019, 16066, 16356, 24099, 26038, 32132, 39057, 39527, 48198, 52076, 78114, 79054, 96396, 118581, 156228, 158108, 232957, 237162, 377551, 465914, 474324, 698871, 755102, 931828, 1132653, 1397742, 1510204, 2265306, 2795484, 4530612, 10948979, 21897958, 32846937, 43795916, 65693874, 131387748]

約数ペア:

[(1, 131387748), (2, 65693874), (3, 43795916), (4, 32846937), (6, 21897958), (12, 10948979), (29, 4530612), (47, 2795484), (58, 2265306), (87, 1510204), (94, 1397742), (116, 1132653), (141, 931828), (174, 755102), (188, 698871), (277, 474324), (282, 465914), (348, 377551), (554, 237162), (564, 232957), (831, 158108), (841, 156228), (1108, 118581), (1363, 96396), (1662, 79054), (1682, 78114), (2523, 52076), (2726, 48198), (3324, 39527), (3364, 39057), (4089, 32132), (5046, 26038), (5452, 24099), (8033, 16356), (8178, 16066), (10092, 13019)]