216406438

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{101}}^1\times {\mathrm{191}}^1$

素因数の和:444

約数の個数: 32

約数和(自身を含む): 338411520

約数和(自身を除く): 122005082

約数列:

[1, 2, 71, 79, 101, 142, 158, 191, 202, 382, 5609, 7171, 7979, 11218, 13561, 14342, 15089, 15958, 19291, 27122, 30178, 38582, 566509, 1071319, 1133018, 1369661, 1523989, 2142638, 2739322, 3047978, 108203219, 216406438]

約数ペア:

[(1, 216406438), (2, 108203219), (71, 3047978), (79, 2739322), (101, 2142638), (142, 1523989), (158, 1369661), (191, 1133018), (202, 1071319), (382, 566509), (5609, 38582), (7171, 30178), (7979, 27122), (11218, 19291), (13561, 15958), (14342, 15089)]