16581156

素因数分解:

$2^2\times 3^1\times {\mathrm{29}}^2\times {\mathrm{31}}^1\times {\mathrm{53}}^1$

素因数の和:149

約数の個数: 72

約数和(自身を含む): 42142464

約数和(自身を除く): 25561308

約数列:

[1, 2, 3, 4, 6, 12, 29, 31, 53, 58, 62, 87, 93, 106, 116, 124, 159, 174, 186, 212, 318, 348, 372, 636, 841, 899, 1537, 1643, 1682, 1798, 2523, 2697, 3074, 3286, 3364, 3596, 4611, 4929, 5046, 5394, 6148, 6572, 9222, 9858, 10092, 10788, 18444, 19716, 26071, 44573, 47647, 52142, 78213, 89146, 95294, 104284, 133719, 142941, 156426, 178292, 190588, 267438, 285882, 312852, 534876, 571764, 1381763, 2763526, 4145289, 5527052, 8290578, 16581156]

約数ペア:

[(1, 16581156), (2, 8290578), (3, 5527052), (4, 4145289), (6, 2763526), (12, 1381763), (29, 571764), (31, 534876), (53, 312852), (58, 285882), (62, 267438), (87, 190588), (93, 178292), (106, 156426), (116, 142941), (124, 133719), (159, 104284), (174, 95294), (186, 89146), (212, 78213), (318, 52142), (348, 47647), (372, 44573), (636, 26071), (841, 19716), (899, 18444), (1537, 10788), (1643, 10092), (1682, 9858), (1798, 9222), (2523, 6572), (2697, 6148), (3074, 5394), (3286, 5046), (3364, 4929), (3596, 4611)]