1998222208

素因数分解:

$2^7\times {\mathrm{79}}^1\times {\mathrm{197609}}^1$

素因数の和:197702

約数の個数: 32

約数和(自身を含む): 4031244000

約数和(自身を除く): 2033021792

約数列:

[1, 2, 4, 8, 16, 32, 64, 79, 128, 158, 316, 632, 1264, 2528, 5056, 10112, 197609, 395218, 790436, 1580872, 3161744, 6323488, 12646976, 15611111, 25293952, 31222222, 62444444, 124888888, 249777776, 499555552, 999111104, 1998222208]

約数ペア:

[(1, 1998222208), (2, 999111104), (4, 499555552), (8, 249777776), (16, 124888888), (32, 62444444), (64, 31222222), (79, 25293952), (128, 15611111), (158, 12646976), (316, 6323488), (632, 3161744), (1264, 1580872), (2528, 790436), (5056, 395218), (10112, 197609)]