81668124

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{1861}}^1$

素因数の和:1947

約数の個数: 72

約数和(自身を含む): 219596832

約数和(自身を除く): 137928708

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 46, 53, 69, 92, 106, 138, 159, 207, 212, 276, 318, 414, 477, 636, 828, 954, 1219, 1861, 1908, 2438, 3657, 3722, 4876, 5583, 7314, 7444, 10971, 11166, 14628, 16749, 21942, 22332, 33498, 42803, 43884, 66996, 85606, 98633, 128409, 171212, 197266, 256818, 295899, 385227, 394532, 513636, 591798, 770454, 887697, 1183596, 1540908, 1775394, 2268559, 3550788, 4537118, 6805677, 9074236, 13611354, 20417031, 27222708, 40834062, 81668124]

約数ペア:

[(1, 81668124), (2, 40834062), (3, 27222708), (4, 20417031), (6, 13611354), (9, 9074236), (12, 6805677), (18, 4537118), (23, 3550788), (36, 2268559), (46, 1775394), (53, 1540908), (69, 1183596), (92, 887697), (106, 770454), (138, 591798), (159, 513636), (207, 394532), (212, 385227), (276, 295899), (318, 256818), (414, 197266), (477, 171212), (636, 128409), (828, 98633), (954, 85606), (1219, 66996), (1861, 43884), (1908, 42803), (2438, 33498), (3657, 22332), (3722, 21942), (4876, 16749), (5583, 14628), (7314, 11166), (7444, 10971)]