81906588

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{3191}}^1$

素因数の和:3255

約数の個数: 72

約数和(自身を含む): 223082496

約数和(自身を除く): 141175908

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 31, 36, 46, 62, 69, 92, 93, 124, 138, 186, 207, 276, 279, 372, 414, 558, 713, 828, 1116, 1426, 2139, 2852, 3191, 4278, 6382, 6417, 8556, 9573, 12764, 12834, 19146, 25668, 28719, 38292, 57438, 73393, 98921, 114876, 146786, 197842, 220179, 293572, 296763, 395684, 440358, 593526, 660537, 880716, 890289, 1187052, 1321074, 1780578, 2275183, 2642148, 3561156, 4550366, 6825549, 9100732, 13651098, 20476647, 27302196, 40953294, 81906588]

約数ペア:

[(1, 81906588), (2, 40953294), (3, 27302196), (4, 20476647), (6, 13651098), (9, 9100732), (12, 6825549), (18, 4550366), (23, 3561156), (31, 2642148), (36, 2275183), (46, 1780578), (62, 1321074), (69, 1187052), (92, 890289), (93, 880716), (124, 660537), (138, 593526), (186, 440358), (207, 395684), (276, 296763), (279, 293572), (372, 220179), (414, 197842), (558, 146786), (713, 114876), (828, 98921), (1116, 73393), (1426, 57438), (2139, 38292), (2852, 28719), (3191, 25668), (4278, 19146), (6382, 12834), (6417, 12764), (8556, 9573)]