28259490

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{3637}}^1$

素因数の和:3691

約数の個数: 64

約数和(自身を含む): 79628544

約数和(自身を除く): 51369054

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 37, 42, 70, 74, 105, 111, 185, 210, 222, 259, 370, 518, 555, 777, 1110, 1295, 1554, 2590, 3637, 3885, 7274, 7770, 10911, 18185, 21822, 25459, 36370, 50918, 54555, 76377, 109110, 127295, 134569, 152754, 254590, 269138, 381885, 403707, 672845, 763770, 807414, 941983, 1345690, 1883966, 2018535, 2825949, 4037070, 4709915, 5651898, 9419830, 14129745, 28259490]

約数ペア:

[(1, 28259490), (2, 14129745), (3, 9419830), (5, 5651898), (6, 4709915), (7, 4037070), (10, 2825949), (14, 2018535), (15, 1883966), (21, 1345690), (30, 941983), (35, 807414), (37, 763770), (42, 672845), (70, 403707), (74, 381885), (105, 269138), (111, 254590), (185, 152754), (210, 134569), (222, 127295), (259, 109110), (370, 76377), (518, 54555), (555, 50918), (777, 36370), (1110, 25459), (1295, 21822), (1554, 18185), (2590, 10911), (3637, 7770), (3885, 7274)]