28978508

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{167}}^1$

素因数の和:302

約数の個数: 48

約数和(自身を含む): 56899584

約数和(自身を除く): 27921076

約数列:

[1, 2, 4, 13, 26, 47, 52, 71, 94, 142, 167, 188, 284, 334, 611, 668, 923, 1222, 1846, 2171, 2444, 3337, 3692, 4342, 6674, 7849, 8684, 11857, 13348, 15698, 23714, 31396, 43381, 47428, 86762, 102037, 154141, 173524, 204074, 308282, 408148, 557279, 616564, 1114558, 2229116, 7244627, 14489254, 28978508]

約数ペア:

[(1, 28978508), (2, 14489254), (4, 7244627), (13, 2229116), (26, 1114558), (47, 616564), (52, 557279), (71, 408148), (94, 308282), (142, 204074), (167, 173524), (188, 154141), (284, 102037), (334, 86762), (611, 47428), (668, 43381), (923, 31396), (1222, 23714), (1846, 15698), (2171, 13348), (2444, 11857), (3337, 8684), (3692, 7849), (4342, 6674)]