1277322728

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{271}}^1\times {\mathrm{2819}}^1$

素因数の和:3126

約数の個数: 64

約数和(自身を含む): 2761344000

約数和(自身を除く): 1484021272

約数列:

[1, 2, 4, 8, 11, 19, 22, 38, 44, 76, 88, 152, 209, 271, 418, 542, 836, 1084, 1672, 2168, 2819, 2981, 5149, 5638, 5962, 10298, 11276, 11924, 20596, 22552, 23848, 31009, 41192, 53561, 56639, 62018, 107122, 113278, 124036, 214244, 226556, 248072, 428488, 453112, 589171, 763949, 1178342, 1527898, 2356684, 3055796, 4713368, 6111592, 8403439, 14515031, 16806878, 29030062, 33613756, 58060124, 67227512, 116120248, 159665341, 319330682, 638661364, 1277322728]

約数ペア:

[(1, 1277322728), (2, 638661364), (4, 319330682), (8, 159665341), (11, 116120248), (19, 67227512), (22, 58060124), (38, 33613756), (44, 29030062), (76, 16806878), (88, 14515031), (152, 8403439), (209, 6111592), (271, 4713368), (418, 3055796), (542, 2356684), (836, 1527898), (1084, 1178342), (1672, 763949), (2168, 589171), (2819, 453112), (2981, 428488), (5149, 248072), (5638, 226556), (5962, 214244), (10298, 124036), (11276, 113278), (11924, 107122), (20596, 62018), (22552, 56639), (23848, 53561), (31009, 41192)]