169621660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{503}}^1\times {\mathrm{1297}}^1$

素因数の和:1822

約数の個数: 48

約数和(自身を含む): 384664896

約数和(自身を除く): 215043236

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 503, 1006, 1297, 2012, 2515, 2594, 5030, 5188, 6485, 6539, 10060, 12970, 13078, 16861, 25940, 26156, 32695, 33722, 65390, 67444, 84305, 130780, 168610, 337220, 652391, 1304782, 2609564, 3261955, 6523910, 8481083, 13047820, 16962166, 33924332, 42405415, 84810830, 169621660]

約数ペア:

[(1, 169621660), (2, 84810830), (4, 42405415), (5, 33924332), (10, 16962166), (13, 13047820), (20, 8481083), (26, 6523910), (52, 3261955), (65, 2609564), (130, 1304782), (260, 652391), (503, 337220), (1006, 168610), (1297, 130780), (2012, 84305), (2515, 67444), (2594, 65390), (5030, 33722), (5188, 32695), (6485, 26156), (6539, 25940), (10060, 16861), (12970, 13078)]