121621888

素因数分解:

$2^7\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{1163}}^1$

素因数の和:1239

約数の個数: 64

約数和(自身を含む): 261201600

約数和(自身を除く): 139579712

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 43, 64, 76, 86, 128, 152, 172, 304, 344, 608, 688, 817, 1163, 1216, 1376, 1634, 2326, 2432, 2752, 3268, 4652, 5504, 6536, 9304, 13072, 18608, 22097, 26144, 37216, 44194, 50009, 52288, 74432, 88388, 100018, 104576, 148864, 176776, 200036, 353552, 400072, 707104, 800144, 950171, 1414208, 1600288, 1900342, 2828416, 3200576, 3800684, 6401152, 7601368, 15202736, 30405472, 60810944, 121621888]

約数ペア:

[(1, 121621888), (2, 60810944), (4, 30405472), (8, 15202736), (16, 7601368), (19, 6401152), (32, 3800684), (38, 3200576), (43, 2828416), (64, 1900342), (76, 1600288), (86, 1414208), (128, 950171), (152, 800144), (172, 707104), (304, 400072), (344, 353552), (608, 200036), (688, 176776), (817, 148864), (1163, 104576), (1216, 100018), (1376, 88388), (1634, 74432), (2326, 52288), (2432, 50009), (2752, 44194), (3268, 37216), (4652, 26144), (5504, 22097), (6536, 18608), (9304, 13072)]