87412787

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{401}}^1$

素因数の和:587

約数の個数: 32

約数和(自身を含む): 115776000

約数和(自身を除く): 28363213

約数列:

[1, 7, 11, 19, 77, 133, 149, 209, 401, 1043, 1463, 1639, 2807, 2831, 4411, 7619, 11473, 19817, 30877, 31141, 53333, 59749, 83809, 217987, 418243, 586663, 657239, 1135231, 4600673, 7946617, 12487541, 87412787]

約数ペア:

[(1, 87412787), (7, 12487541), (11, 7946617), (19, 4600673), (77, 1135231), (133, 657239), (149, 586663), (209, 418243), (401, 217987), (1043, 83809), (1463, 59749), (1639, 53333), (2807, 31141), (2831, 30877), (4411, 19817), (7619, 11473)]