90781516

素因数分解:

$2^2\times 7^2\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{223}}^1$

素因数の和:339

約数の個数: 72

約数和(自身を含む): 194482176

約数和(自身を除く): 103700660

約数列:

[1, 2, 4, 7, 14, 28, 31, 49, 62, 67, 98, 124, 134, 196, 217, 223, 268, 434, 446, 469, 868, 892, 938, 1519, 1561, 1876, 2077, 3038, 3122, 3283, 4154, 6076, 6244, 6566, 6913, 8308, 10927, 13132, 13826, 14539, 14941, 21854, 27652, 29078, 29882, 43708, 48391, 58156, 59764, 96782, 101773, 104587, 193564, 203546, 209174, 338737, 407092, 418348, 463171, 677474, 732109, 926342, 1354948, 1464218, 1852684, 2928436, 3242197, 6484394, 12968788, 22695379, 45390758, 90781516]

約数ペア:

[(1, 90781516), (2, 45390758), (4, 22695379), (7, 12968788), (14, 6484394), (28, 3242197), (31, 2928436), (49, 1852684), (62, 1464218), (67, 1354948), (98, 926342), (124, 732109), (134, 677474), (196, 463171), (217, 418348), (223, 407092), (268, 338737), (434, 209174), (446, 203546), (469, 193564), (868, 104587), (892, 101773), (938, 96782), (1519, 59764), (1561, 58156), (1876, 48391), (2077, 43708), (3038, 29882), (3122, 29078), (3283, 27652), (4154, 21854), (6076, 14941), (6244, 14539), (6566, 13826), (6913, 13132), (8308, 10927)]