1644890780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{521}}^1\times {\mathrm{12143}}^1$

素因数の和:12686

約数の個数: 48

約数和(自身を含む): 3727430784

約数和(自身を除く): 2082540004

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 521, 1042, 2084, 2605, 5210, 6773, 10420, 12143, 13546, 24286, 27092, 33865, 48572, 60715, 67730, 121430, 135460, 157859, 242860, 315718, 631436, 789295, 1578590, 3157180, 6326503, 12653006, 25306012, 31632515, 63265030, 82244539, 126530060, 164489078, 328978156, 411222695, 822445390, 1644890780]

約数ペア:

[(1, 1644890780), (2, 822445390), (4, 411222695), (5, 328978156), (10, 164489078), (13, 126530060), (20, 82244539), (26, 63265030), (52, 31632515), (65, 25306012), (130, 12653006), (260, 6326503), (521, 3157180), (1042, 1578590), (2084, 789295), (2605, 631436), (5210, 315718), (6773, 242860), (10420, 157859), (12143, 135460), (13546, 121430), (24286, 67730), (27092, 60715), (33865, 48572)]