28917366790

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{139}}^1\times {\mathrm{11681}}^1$

素因数の和:11977

約数の個数: 64

約数和(自身を含む): 56875452480

約数和(自身を除く): 27958085690

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 137, 139, 274, 278, 685, 695, 1370, 1390, 1781, 1807, 3562, 3614, 8905, 9035, 11681, 17810, 18070, 19043, 23362, 38086, 58405, 95215, 116810, 151853, 190430, 247559, 303706, 495118, 759265, 1237795, 1518530, 1600297, 1623659, 2475590, 3200594, 3247318, 8001485, 8118295, 16002970, 16236590, 20803861, 21107567, 41607722, 42215134, 104019305, 105537835, 208038610, 211075670, 222441283, 444882566, 1112206415, 2224412830, 2891736679, 5783473358, 14458683395, 28917366790]

約数ペア:

[(1, 28917366790), (2, 14458683395), (5, 5783473358), (10, 2891736679), (13, 2224412830), (26, 1112206415), (65, 444882566), (130, 222441283), (137, 211075670), (139, 208038610), (274, 105537835), (278, 104019305), (685, 42215134), (695, 41607722), (1370, 21107567), (1390, 20803861), (1781, 16236590), (1807, 16002970), (3562, 8118295), (3614, 8001485), (8905, 3247318), (9035, 3200594), (11681, 2475590), (17810, 1623659), (18070, 1600297), (19043, 1518530), (23362, 1237795), (38086, 759265), (58405, 495118), (95215, 303706), (116810, 247559), (151853, 190430)]