13357988

素因数分解:

$2^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{211}}^1$

素因数の和:265

約数の個数: 72

約数和(自身を含む): 30451680

約数和(自身を除く): 17093692

約数列:

[1, 2, 4, 7, 14, 17, 19, 28, 34, 38, 49, 68, 76, 98, 119, 133, 196, 211, 238, 266, 323, 422, 476, 532, 646, 833, 844, 931, 1292, 1477, 1666, 1862, 2261, 2954, 3332, 3587, 3724, 4009, 4522, 5908, 7174, 8018, 9044, 10339, 14348, 15827, 16036, 20678, 25109, 28063, 31654, 41356, 50218, 56126, 63308, 68153, 100436, 112252, 136306, 175763, 196441, 272612, 351526, 392882, 477071, 703052, 785764, 954142, 1908284, 3339497, 6678994, 13357988]

約数ペア:

[(1, 13357988), (2, 6678994), (4, 3339497), (7, 1908284), (14, 954142), (17, 785764), (19, 703052), (28, 477071), (34, 392882), (38, 351526), (49, 272612), (68, 196441), (76, 175763), (98, 136306), (119, 112252), (133, 100436), (196, 68153), (211, 63308), (238, 56126), (266, 50218), (323, 41356), (422, 31654), (476, 28063), (532, 25109), (646, 20678), (833, 16036), (844, 15827), (931, 14348), (1292, 10339), (1477, 9044), (1666, 8018), (1862, 7174), (2261, 5908), (2954, 4522), (3332, 4009), (3587, 3724)]