258103490

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{197}}^1\times {\mathrm{3541}}^1$

素因数の和:3782

約数の個数: 32

約数和(自身を含む): 479700144

約数和(自身を除く): 221596654

約数列:

[1, 2, 5, 10, 37, 74, 185, 197, 370, 394, 985, 1970, 3541, 7082, 7289, 14578, 17705, 35410, 36445, 72890, 131017, 262034, 655085, 697577, 1310170, 1395154, 3487885, 6975770, 25810349, 51620698, 129051745, 258103490]

約数ペア:

[(1, 258103490), (2, 129051745), (5, 51620698), (10, 25810349), (37, 6975770), (74, 3487885), (185, 1395154), (197, 1310170), (370, 697577), (394, 655085), (985, 262034), (1970, 131017), (3541, 72890), (7082, 36445), (7289, 35410), (14578, 17705)]