646823632

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{6257}}^1$

素因数の和:6356

約数の個数: 80

約数和(自身を含む): 1564399872

約数和(自身を除く): 917576240

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 71, 91, 104, 112, 142, 182, 208, 284, 364, 497, 568, 728, 923, 994, 1136, 1456, 1846, 1988, 3692, 3976, 6257, 6461, 7384, 7952, 12514, 12922, 14768, 25028, 25844, 43799, 50056, 51688, 81341, 87598, 100112, 103376, 162682, 175196, 325364, 350392, 444247, 569387, 650728, 700784, 888494, 1138774, 1301456, 1776988, 2277548, 3109729, 3553976, 4555096, 5775211, 6219458, 7107952, 9110192, 11550422, 12438916, 23100844, 24877832, 40426477, 46201688, 49755664, 80852954, 92403376, 161705908, 323411816, 646823632]

約数ペア:

[(1, 646823632), (2, 323411816), (4, 161705908), (7, 92403376), (8, 80852954), (13, 49755664), (14, 46201688), (16, 40426477), (26, 24877832), (28, 23100844), (52, 12438916), (56, 11550422), (71, 9110192), (91, 7107952), (104, 6219458), (112, 5775211), (142, 4555096), (182, 3553976), (208, 3109729), (284, 2277548), (364, 1776988), (497, 1301456), (568, 1138774), (728, 888494), (923, 700784), (994, 650728), (1136, 569387), (1456, 444247), (1846, 350392), (1988, 325364), (3692, 175196), (3976, 162682), (6257, 103376), (6461, 100112), (7384, 87598), (7952, 81341), (12514, 51688), (12922, 50056), (14768, 43799), (25028, 25844)]