161900704

素因数分解:

$2^5\times 7^2\times {\mathrm{79}}^1\times {\mathrm{1307}}^1$

素因数の和:1410

約数の個数: 72

約数和(自身を含む): 375762240

約数和(自身を除く): 213861536

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 79, 98, 112, 158, 196, 224, 316, 392, 553, 632, 784, 1106, 1264, 1307, 1568, 2212, 2528, 2614, 3871, 4424, 5228, 7742, 8848, 9149, 10456, 15484, 17696, 18298, 20912, 30968, 36596, 41824, 61936, 64043, 73192, 103253, 123872, 128086, 146384, 206506, 256172, 292768, 413012, 512344, 722771, 826024, 1024688, 1445542, 1652048, 2049376, 2891084, 3304096, 5059397, 5782168, 10118794, 11564336, 20237588, 23128672, 40475176, 80950352, 161900704]

約数ペア:

[(1, 161900704), (2, 80950352), (4, 40475176), (7, 23128672), (8, 20237588), (14, 11564336), (16, 10118794), (28, 5782168), (32, 5059397), (49, 3304096), (56, 2891084), (79, 2049376), (98, 1652048), (112, 1445542), (158, 1024688), (196, 826024), (224, 722771), (316, 512344), (392, 413012), (553, 292768), (632, 256172), (784, 206506), (1106, 146384), (1264, 128086), (1307, 123872), (1568, 103253), (2212, 73192), (2528, 64043), (2614, 61936), (3871, 41824), (4424, 36596), (5228, 30968), (7742, 20912), (8848, 18298), (9149, 17696), (10456, 15484)]