217688071804

素因数分解:

$2^2\times 7^1\times {\mathrm{139}}^1\times {\mathrm{1499}}^1\times {\mathrm{37313}}^1$

素因数の和:38962

約数の個数: 48

約数和(自身を含む): 438812640000

約数和(自身を除く): 221124568196

約数列:

[1, 2, 4, 7, 14, 28, 139, 278, 556, 973, 1499, 1946, 2998, 3892, 5996, 10493, 20986, 37313, 41972, 74626, 149252, 208361, 261191, 416722, 522382, 833444, 1044764, 1458527, 2917054, 5186507, 5834108, 10373014, 20746028, 36305549, 55932187, 72611098, 111864374, 145222196, 223728748, 391525309, 783050618, 1566101236, 7774573993, 15549147986, 31098295972, 54422017951, 108844035902, 217688071804]

約数ペア:

[(1, 217688071804), (2, 108844035902), (4, 54422017951), (7, 31098295972), (14, 15549147986), (28, 7774573993), (139, 1566101236), (278, 783050618), (556, 391525309), (973, 223728748), (1499, 145222196), (1946, 111864374), (2998, 72611098), (3892, 55932187), (5996, 36305549), (10493, 20746028), (20986, 10373014), (37313, 5834108), (41972, 5186507), (74626, 2917054), (149252, 1458527), (208361, 1044764), (261191, 833444), (416722, 522382)]