1989054145

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{1283}}^1$

素因数の和:1402

約数の個数: 64

約数和(自身を含む): 2888815104

約数和(自身を除く): 899760959

約数列:

[1, 5, 13, 17, 23, 61, 65, 85, 115, 221, 299, 305, 391, 793, 1037, 1105, 1283, 1403, 1495, 1955, 3965, 5083, 5185, 6415, 7015, 13481, 16679, 18239, 21811, 23851, 25415, 29509, 67405, 78263, 83395, 91195, 109055, 119255, 147545, 283543, 310063, 383617, 391315, 501653, 1017419, 1330471, 1417715, 1550315, 1800049, 1918085, 2508265, 5087095, 6521489, 6652355, 9000245, 17296123, 23400637, 30600833, 32607445, 86480615, 117003185, 153004165, 397810829, 1989054145]

約数ペア:

[(1, 1989054145), (5, 397810829), (13, 153004165), (17, 117003185), (23, 86480615), (61, 32607445), (65, 30600833), (85, 23400637), (115, 17296123), (221, 9000245), (299, 6652355), (305, 6521489), (391, 5087095), (793, 2508265), (1037, 1918085), (1105, 1800049), (1283, 1550315), (1403, 1417715), (1495, 1330471), (1955, 1017419), (3965, 501653), (5083, 391315), (5185, 383617), (6415, 310063), (7015, 283543), (13481, 147545), (16679, 119255), (18239, 109055), (21811, 91195), (23851, 83395), (25415, 78263), (29509, 67405)]