131023216

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{277}}^1$

素因数の和:386

約数の個数: 80

約数和(自身を含む): 282946176

約数和(自身を除く): 151922960

約数列:

[1, 2, 4, 8, 16, 17, 34, 37, 47, 68, 74, 94, 136, 148, 188, 272, 277, 296, 376, 554, 592, 629, 752, 799, 1108, 1258, 1598, 1739, 2216, 2516, 3196, 3478, 4432, 4709, 5032, 6392, 6956, 9418, 10064, 10249, 12784, 13019, 13912, 18836, 20498, 26038, 27824, 29563, 37672, 40996, 52076, 59126, 75344, 81992, 104152, 118252, 163984, 174233, 208304, 221323, 236504, 348466, 442646, 473008, 481703, 696932, 885292, 963406, 1393864, 1770584, 1926812, 2787728, 3541168, 3853624, 7707248, 8188951, 16377902, 32755804, 65511608, 131023216]

約数ペア:

[(1, 131023216), (2, 65511608), (4, 32755804), (8, 16377902), (16, 8188951), (17, 7707248), (34, 3853624), (37, 3541168), (47, 2787728), (68, 1926812), (74, 1770584), (94, 1393864), (136, 963406), (148, 885292), (188, 696932), (272, 481703), (277, 473008), (296, 442646), (376, 348466), (554, 236504), (592, 221323), (629, 208304), (752, 174233), (799, 163984), (1108, 118252), (1258, 104152), (1598, 81992), (1739, 75344), (2216, 59126), (2516, 52076), (3196, 40996), (3478, 37672), (4432, 29563), (4709, 27824), (5032, 26038), (6392, 20498), (6956, 18836), (9418, 13912), (10064, 13019), (10249, 12784)]