499640911

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{191}}^1\times {\mathrm{641}}^1$

素因数の和:903

約数の個数: 32

約数和(自身を含む): 639000576

約数和(自身を除く): 139359665

約数列:

[1, 7, 11, 53, 77, 191, 371, 583, 641, 1337, 2101, 4081, 4487, 7051, 10123, 14707, 33973, 49357, 70861, 111353, 122431, 237811, 373703, 779471, 857017, 1346741, 2615921, 6488843, 9427187, 45421901, 71377273, 499640911]

約数ペア:

[(1, 499640911), (7, 71377273), (11, 45421901), (53, 9427187), (77, 6488843), (191, 2615921), (371, 1346741), (583, 857017), (641, 779471), (1337, 373703), (2101, 237811), (4081, 122431), (4487, 111353), (7051, 70861), (10123, 49357), (14707, 33973)]