128216772

素因数分解:

$2^2\times 3^2\times {\mathrm{29}}^1\times {\mathrm{191}}^1\times {\mathrm{643}}^1$

素因数の和:873

約数の個数: 72

約数和(自身を含む): 337559040

約数和(自身を除く): 209342268

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 29, 36, 58, 87, 116, 174, 191, 261, 348, 382, 522, 573, 643, 764, 1044, 1146, 1286, 1719, 1929, 2292, 2572, 3438, 3858, 5539, 5787, 6876, 7716, 11078, 11574, 16617, 18647, 22156, 23148, 33234, 37294, 49851, 55941, 66468, 74588, 99702, 111882, 122813, 167823, 199404, 223764, 245626, 335646, 368439, 491252, 671292, 736878, 1105317, 1473756, 2210634, 3561577, 4421268, 7123154, 10684731, 14246308, 21369462, 32054193, 42738924, 64108386, 128216772]

約数ペア:

[(1, 128216772), (2, 64108386), (3, 42738924), (4, 32054193), (6, 21369462), (9, 14246308), (12, 10684731), (18, 7123154), (29, 4421268), (36, 3561577), (58, 2210634), (87, 1473756), (116, 1105317), (174, 736878), (191, 671292), (261, 491252), (348, 368439), (382, 335646), (522, 245626), (573, 223764), (643, 199404), (764, 167823), (1044, 122813), (1146, 111882), (1286, 99702), (1719, 74588), (1929, 66468), (2292, 55941), (2572, 49851), (3438, 37294), (3858, 33234), (5539, 23148), (5787, 22156), (6876, 18647), (7716, 16617), (11078, 11574)]