87121804

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{2377}}^1$

素因数の和:2423

約数の個数: 72

約数和(自身を含む): 204945552

約数和(自身を除く): 117823748

約数列:

[1, 2, 4, 7, 11, 14, 17, 22, 28, 34, 44, 49, 68, 77, 98, 119, 154, 187, 196, 238, 308, 374, 476, 539, 748, 833, 1078, 1309, 1666, 2156, 2377, 2618, 3332, 4754, 5236, 9163, 9508, 16639, 18326, 26147, 33278, 36652, 40409, 52294, 66556, 80818, 104588, 116473, 161636, 183029, 232946, 282863, 366058, 444499, 465892, 565726, 732116, 888998, 1131452, 1281203, 1777996, 1980041, 2562406, 3111493, 3960082, 5124812, 6222986, 7920164, 12445972, 21780451, 43560902, 87121804]

約数ペア:

[(1, 87121804), (2, 43560902), (4, 21780451), (7, 12445972), (11, 7920164), (14, 6222986), (17, 5124812), (22, 3960082), (28, 3111493), (34, 2562406), (44, 1980041), (49, 1777996), (68, 1281203), (77, 1131452), (98, 888998), (119, 732116), (154, 565726), (187, 465892), (196, 444499), (238, 366058), (308, 282863), (374, 232946), (476, 183029), (539, 161636), (748, 116473), (833, 104588), (1078, 80818), (1309, 66556), (1666, 52294), (2156, 40409), (2377, 36652), (2618, 33278), (3332, 26147), (4754, 18326), (5236, 16639), (9163, 9508)]