201973135

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{383}}^1$

素因数の和:488

約数の個数: 64

約数和(自身を含む): 319979520

約数和(自身を除く): 118006385

約数列:

[1, 5, 7, 13, 19, 35, 61, 65, 91, 95, 133, 247, 305, 383, 427, 455, 665, 793, 1159, 1235, 1729, 1915, 2135, 2681, 3965, 4979, 5551, 5795, 7277, 8113, 8645, 13405, 15067, 23363, 24895, 27755, 34853, 36385, 40565, 50939, 75335, 94601, 105469, 116815, 163541, 174265, 254695, 303719, 443897, 473005, 527345, 662207, 817705, 1518595, 2126033, 2219485, 3107279, 3311035, 5770661, 10630165, 15536395, 28853305, 40394627, 201973135]

約数ペア:

[(1, 201973135), (5, 40394627), (7, 28853305), (13, 15536395), (19, 10630165), (35, 5770661), (61, 3311035), (65, 3107279), (91, 2219485), (95, 2126033), (133, 1518595), (247, 817705), (305, 662207), (383, 527345), (427, 473005), (455, 443897), (665, 303719), (793, 254695), (1159, 174265), (1235, 163541), (1729, 116815), (1915, 105469), (2135, 94601), (2681, 75335), (3965, 50939), (4979, 40565), (5551, 36385), (5795, 34853), (7277, 27755), (8113, 24895), (8645, 23363), (13405, 15067)]