81566524

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{103}}^1\times {\mathrm{157}}^1$

素因数の和:374

約数の個数: 48

約数和(自身を含む): 157812928

約数和(自身を除く): 76246404

約数列:

[1, 2, 4, 13, 26, 52, 97, 103, 157, 194, 206, 314, 388, 412, 628, 1261, 1339, 2041, 2522, 2678, 4082, 5044, 5356, 8164, 9991, 15229, 16171, 19982, 30458, 32342, 39964, 60916, 64684, 129883, 197977, 210223, 259766, 395954, 420446, 519532, 791908, 840892, 1568587, 3137174, 6274348, 20391631, 40783262, 81566524]

約数ペア:

[(1, 81566524), (2, 40783262), (4, 20391631), (13, 6274348), (26, 3137174), (52, 1568587), (97, 840892), (103, 791908), (157, 519532), (194, 420446), (206, 395954), (314, 259766), (388, 210223), (412, 197977), (628, 129883), (1261, 64684), (1339, 60916), (2041, 39964), (2522, 32342), (2678, 30458), (4082, 19982), (5044, 16171), (5356, 15229), (8164, 9991)]