1554509990

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{103}}^1\times {\mathrm{12473}}^1$

素因数の和:12605

約数の個数: 48

約数和(自身を含む): 3105726624

約数和(自身を除く): 1551216634

約数列:

[1, 2, 5, 10, 11, 22, 55, 103, 110, 121, 206, 242, 515, 605, 1030, 1133, 1210, 2266, 5665, 11330, 12463, 12473, 24926, 24946, 62315, 62365, 124630, 124730, 137203, 274406, 686015, 1284719, 1372030, 1509233, 2569438, 3018466, 6423595, 7546165, 12847190, 14131909, 15092330, 28263818, 70659545, 141319090, 155450999, 310901998, 777254995, 1554509990]

約数ペア:

[(1, 1554509990), (2, 777254995), (5, 310901998), (10, 155450999), (11, 141319090), (22, 70659545), (55, 28263818), (103, 15092330), (110, 14131909), (121, 12847190), (206, 7546165), (242, 6423595), (515, 3018466), (605, 2569438), (1030, 1509233), (1133, 1372030), (1210, 1284719), (2266, 686015), (5665, 274406), (11330, 137203), (12463, 124730), (12473, 124630), (24926, 62365), (24946, 62315)]