208003048

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{193}}^1\times {\mathrm{331}}^1$

素因数の和:578

約数の個数: 64

約数和(自身を含む): 440550720

約数和(自身を除く): 232547672

約数列:

[1, 2, 4, 8, 11, 22, 37, 44, 74, 88, 148, 193, 296, 331, 386, 407, 662, 772, 814, 1324, 1544, 1628, 2123, 2648, 3256, 3641, 4246, 7141, 7282, 8492, 12247, 14282, 14564, 16984, 24494, 28564, 29128, 48988, 57128, 63883, 78551, 97976, 127766, 134717, 157102, 255532, 269434, 314204, 511064, 538868, 628408, 702713, 1077736, 1405426, 2363671, 2810852, 4727342, 5621704, 9454684, 18909368, 26000381, 52000762, 104001524, 208003048]

約数ペア:

[(1, 208003048), (2, 104001524), (4, 52000762), (8, 26000381), (11, 18909368), (22, 9454684), (37, 5621704), (44, 4727342), (74, 2810852), (88, 2363671), (148, 1405426), (193, 1077736), (296, 702713), (331, 628408), (386, 538868), (407, 511064), (662, 314204), (772, 269434), (814, 255532), (1324, 157102), (1544, 134717), (1628, 127766), (2123, 97976), (2648, 78551), (3256, 63883), (3641, 57128), (4246, 48988), (7141, 29128), (7282, 28564), (8492, 24494), (12247, 16984), (14282, 14564)]