218638764

素因数分解:

$2^2\times 3^9\times {\mathrm{2777}}^1$

素因数の和:2808

約数の個数: 60

約数和(自身を含む): 574123704

約数和(自身を除く): 355484940

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 243, 324, 486, 729, 972, 1458, 2187, 2777, 2916, 4374, 5554, 6561, 8331, 8748, 11108, 13122, 16662, 19683, 24993, 26244, 33324, 39366, 49986, 74979, 78732, 99972, 149958, 224937, 299916, 449874, 674811, 899748, 1349622, 2024433, 2699244, 4048866, 6073299, 8097732, 12146598, 18219897, 24293196, 36439794, 54659691, 72879588, 109319382, 218638764]

約数ペア:

[(1, 218638764), (2, 109319382), (3, 72879588), (4, 54659691), (6, 36439794), (9, 24293196), (12, 18219897), (18, 12146598), (27, 8097732), (36, 6073299), (54, 4048866), (81, 2699244), (108, 2024433), (162, 1349622), (243, 899748), (324, 674811), (486, 449874), (729, 299916), (972, 224937), (1458, 149958), (2187, 99972), (2777, 78732), (2916, 74979), (4374, 49986), (5554, 39366), (6561, 33324), (8331, 26244), (8748, 24993), (11108, 19683), (13122, 16662)]