155520118

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{1229}}^1$

素因数の和:1432

約数の個数: 32

約数和(自身を含む): 261192960

約数和(自身を除く): 105672842

約数列:

[1, 2, 13, 26, 31, 62, 157, 314, 403, 806, 1229, 2041, 2458, 4082, 4867, 9734, 15977, 31954, 38099, 63271, 76198, 126542, 192953, 385906, 495287, 990574, 2508389, 5016778, 5981543, 11963086, 77760059, 155520118]

約数ペア:

[(1, 155520118), (2, 77760059), (13, 11963086), (26, 5981543), (31, 5016778), (62, 2508389), (157, 990574), (314, 495287), (403, 385906), (806, 192953), (1229, 126542), (2041, 76198), (2458, 63271), (4082, 38099), (4867, 31954), (9734, 15977)]