521469650

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{15137}}^1$

素因数の和:15215

約数の個数: 48

約数和(自身を含む): 1064322504

約数和(自身を除く): 542852854

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 53, 65, 106, 130, 265, 325, 530, 650, 689, 1325, 1378, 2650, 3445, 6890, 15137, 17225, 30274, 34450, 75685, 151370, 196781, 378425, 393562, 756850, 802261, 983905, 1604522, 1967810, 4011305, 4919525, 8022610, 9839050, 10429393, 20056525, 20858786, 40113050, 52146965, 104293930, 260734825, 521469650]

約数ペア:

[(1, 521469650), (2, 260734825), (5, 104293930), (10, 52146965), (13, 40113050), (25, 20858786), (26, 20056525), (50, 10429393), (53, 9839050), (65, 8022610), (106, 4919525), (130, 4011305), (265, 1967810), (325, 1604522), (530, 983905), (650, 802261), (689, 756850), (1325, 393562), (1378, 378425), (2650, 196781), (3445, 151370), (6890, 75685), (15137, 34450), (17225, 30274)]