221916128

素因数分解:

$2^5\times 7^1\times {\mathrm{251}}^1\times {\mathrm{3947}}^1$

素因数の和:4215

約数の個数: 48

約数和(自身を含む): 501427584

約数和(自身を除く): 279511456

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 224, 251, 502, 1004, 1757, 2008, 3514, 3947, 4016, 7028, 7894, 8032, 14056, 15788, 27629, 28112, 31576, 55258, 56224, 63152, 110516, 126304, 221032, 442064, 884128, 990697, 1981394, 3962788, 6934879, 7925576, 13869758, 15851152, 27739516, 31702304, 55479032, 110958064, 221916128]

約数ペア:

[(1, 221916128), (2, 110958064), (4, 55479032), (7, 31702304), (8, 27739516), (14, 15851152), (16, 13869758), (28, 7925576), (32, 6934879), (56, 3962788), (112, 1981394), (224, 990697), (251, 884128), (502, 442064), (1004, 221032), (1757, 126304), (2008, 110516), (3514, 63152), (3947, 56224), (4016, 55258), (7028, 31576), (7894, 28112), (8032, 27629), (14056, 15788)]