1998278360

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3842843}}^1$

素因数の和:3842867

約数の個数: 32

約数和(自身を含む): 4841983440

約数和(自身を除く): 2843705080

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 3842843, 7685686, 15371372, 19214215, 30742744, 38428430, 49956959, 76856860, 99913918, 153713720, 199827836, 249784795, 399655672, 499569590, 999139180, 1998278360]

約数ペア:

[(1, 1998278360), (2, 999139180), (4, 499569590), (5, 399655672), (8, 249784795), (10, 199827836), (13, 153713720), (20, 99913918), (26, 76856860), (40, 49956959), (52, 38428430), (65, 30742744), (104, 19214215), (130, 15371372), (260, 7685686), (520, 3842843)]