664654870

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{1693}}^1$

素因数の和:1837

約数の個数: 64

約数和(自身を含む): 1352381184

約数和(自身を除く): 687726314

約数列:

[1, 2, 5, 10, 11, 22, 43, 55, 83, 86, 110, 166, 215, 415, 430, 473, 830, 913, 946, 1693, 1826, 2365, 3386, 3569, 4565, 4730, 7138, 8465, 9130, 16930, 17845, 18623, 35690, 37246, 39259, 72799, 78518, 93115, 140519, 145598, 186230, 196295, 281038, 363995, 392590, 702595, 727990, 800789, 1405190, 1545709, 1601578, 3091418, 4003945, 6042317, 7728545, 8007890, 12084634, 15457090, 30211585, 60423170, 66465487, 132930974, 332327435, 664654870]

約数ペア:

[(1, 664654870), (2, 332327435), (5, 132930974), (10, 66465487), (11, 60423170), (22, 30211585), (43, 15457090), (55, 12084634), (83, 8007890), (86, 7728545), (110, 6042317), (166, 4003945), (215, 3091418), (415, 1601578), (430, 1545709), (473, 1405190), (830, 800789), (913, 727990), (946, 702595), (1693, 392590), (1826, 363995), (2365, 281038), (3386, 196295), (3569, 186230), (4565, 145598), (4730, 140519), (7138, 93115), (8465, 78518), (9130, 72799), (16930, 39259), (17845, 37246), (18623, 35690)]