81143356

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{163}}^1\times {\mathrm{773}}^1$

素因数の和:970

約数の個数: 48

約数和(自身を含む): 170601984

約数和(自身を除く): 89458628

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 161, 163, 322, 326, 644, 652, 773, 1141, 1546, 2282, 3092, 3749, 4564, 5411, 7498, 10822, 14996, 17779, 21644, 26243, 35558, 52486, 71116, 104972, 124453, 125999, 248906, 251998, 497812, 503996, 881993, 1763986, 2897977, 3527972, 5795954, 11591908, 20285839, 40571678, 81143356]

約数ペア:

[(1, 81143356), (2, 40571678), (4, 20285839), (7, 11591908), (14, 5795954), (23, 3527972), (28, 2897977), (46, 1763986), (92, 881993), (161, 503996), (163, 497812), (322, 251998), (326, 248906), (644, 125999), (652, 124453), (773, 104972), (1141, 71116), (1546, 52486), (2282, 35558), (3092, 26243), (3749, 21644), (4564, 17779), (5411, 14996), (7498, 10822)]