81247335925

素因数分解:

$5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{197}}^1\times {\mathrm{1747}}^1$

素因数の和:2051

約数の個数: 96

約数和(自身を含む): 123600660480

約数和(自身を除く): 42353324555

約数列:

[1, 5, 7, 19, 25, 35, 71, 95, 133, 175, 197, 355, 475, 497, 665, 985, 1349, 1379, 1747, 1775, 2485, 3325, 3743, 4925, 6745, 6895, 8735, 9443, 12229, 12425, 13987, 18715, 26201, 33193, 33725, 34475, 43675, 47215, 61145, 69935, 93575, 97909, 124037, 131005, 165965, 232351, 236075, 265753, 305725, 344159, 349675, 489545, 620185, 655025, 829825, 868259, 1161755, 1328765, 1720795, 1860271, 2356703, 2409113, 2447725, 3100925, 4341295, 5808775, 6539021, 6643825, 8603975, 9301355, 11783515, 12045565, 16496921, 21706475, 24435289, 32695105, 45773147, 46506775, 58917575, 60227825, 82484605, 122176445, 163475525, 171047023, 228865735, 412423025, 464270491, 610882225, 855235115, 1144328675, 2321352455, 3249893437, 4276175575, 11606762275, 16249467185, 81247335925]

約数ペア:

[(1, 81247335925), (5, 16249467185), (7, 11606762275), (19, 4276175575), (25, 3249893437), (35, 2321352455), (71, 1144328675), (95, 855235115), (133, 610882225), (175, 464270491), (197, 412423025), (355, 228865735), (475, 171047023), (497, 163475525), (665, 122176445), (985, 82484605), (1349, 60227825), (1379, 58917575), (1747, 46506775), (1775, 45773147), (2485, 32695105), (3325, 24435289), (3743, 21706475), (4925, 16496921), (6745, 12045565), (6895, 11783515), (8735, 9301355), (9443, 8603975), (12229, 6643825), (12425, 6539021), (13987, 5808775), (18715, 4341295), (26201, 3100925), (33193, 2447725), (33725, 2409113), (34475, 2356703), (43675, 1860271), (47215, 1720795), (61145, 1328765), (69935, 1161755), (93575, 868259), (97909, 829825), (124037, 655025), (131005, 620185), (165965, 489545), (232351, 349675), (236075, 344159), (265753, 305725)]