161981848

素因数分解:

$2^3\times 7^2\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{223}}^1$

素因数の和:369

約数の個数: 96

約数和(自身を含む): 379209600

約数和(自身を除く): 217227752

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 34, 49, 56, 68, 98, 109, 119, 136, 196, 218, 223, 238, 392, 436, 446, 476, 763, 833, 872, 892, 952, 1526, 1561, 1666, 1784, 1853, 3052, 3122, 3332, 3706, 3791, 5341, 6104, 6244, 6664, 7412, 7582, 10682, 10927, 12488, 12971, 14824, 15164, 21364, 21854, 24307, 25942, 26537, 30328, 42728, 43708, 48614, 51884, 53074, 87416, 90797, 97228, 103768, 106148, 170149, 181594, 185759, 194456, 212296, 340298, 363188, 371518, 413219, 680596, 726376, 743036, 826438, 1191043, 1361192, 1486072, 1652876, 2382086, 2892533, 3305752, 4764172, 5785066, 9528344, 11570132, 20247731, 23140264, 40495462, 80990924, 161981848]

約数ペア:

[(1, 161981848), (2, 80990924), (4, 40495462), (7, 23140264), (8, 20247731), (14, 11570132), (17, 9528344), (28, 5785066), (34, 4764172), (49, 3305752), (56, 2892533), (68, 2382086), (98, 1652876), (109, 1486072), (119, 1361192), (136, 1191043), (196, 826438), (218, 743036), (223, 726376), (238, 680596), (392, 413219), (436, 371518), (446, 363188), (476, 340298), (763, 212296), (833, 194456), (872, 185759), (892, 181594), (952, 170149), (1526, 106148), (1561, 103768), (1666, 97228), (1784, 90797), (1853, 87416), (3052, 53074), (3122, 51884), (3332, 48614), (3706, 43708), (3791, 42728), (5341, 30328), (6104, 26537), (6244, 25942), (6664, 24307), (7412, 21854), (7582, 21364), (10682, 15164), (10927, 14824), (12488, 12971)]