208939504

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{22171}}^1$

素因数の和:22229

約数の個数: 40

約数和(自身を含む): 439892480

約数和(自身を除く): 230952976

約数列:

[1, 2, 4, 8, 16, 19, 31, 38, 62, 76, 124, 152, 248, 304, 496, 589, 1178, 2356, 4712, 9424, 22171, 44342, 88684, 177368, 354736, 421249, 687301, 842498, 1374602, 1684996, 2749204, 3369992, 5498408, 6739984, 10996816, 13058719, 26117438, 52234876, 104469752, 208939504]

約数ペア:

[(1, 208939504), (2, 104469752), (4, 52234876), (8, 26117438), (16, 13058719), (19, 10996816), (31, 6739984), (38, 5498408), (62, 3369992), (76, 2749204), (124, 1684996), (152, 1374602), (248, 842498), (304, 687301), (496, 421249), (589, 354736), (1178, 177368), (2356, 88684), (4712, 44342), (9424, 22171)]