211329658

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{191}}^1\times {\mathrm{359}}^1$

素因数の和:642

約数の個数: 32

約数和(自身を含む): 338411520

約数和(自身を除く): 127081862

約数列:

[1, 2, 23, 46, 67, 134, 191, 359, 382, 718, 1541, 3082, 4393, 8257, 8786, 12797, 16514, 24053, 25594, 48106, 68569, 137138, 294331, 553219, 588662, 1106438, 1577087, 3154174, 4594123, 9188246, 105664829, 211329658]

約数ペア:

[(1, 211329658), (2, 105664829), (23, 9188246), (46, 4594123), (67, 3154174), (134, 1577087), (191, 1106438), (359, 588662), (382, 553219), (718, 294331), (1541, 137138), (3082, 68569), (4393, 48106), (8257, 25594), (8786, 24053), (12797, 16514)]