127931408

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{571}}^1$

素因数の和:676

約数の個数: 80

約数和(自身を含む): 289386240

約数和(自身を除く): 161454832

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 38, 44, 67, 76, 88, 134, 152, 176, 209, 268, 304, 418, 536, 571, 737, 836, 1072, 1142, 1273, 1474, 1672, 2284, 2546, 2948, 3344, 4568, 5092, 5896, 6281, 9136, 10184, 10849, 11792, 12562, 14003, 20368, 21698, 25124, 28006, 38257, 43396, 50248, 56012, 76514, 86792, 100496, 112024, 119339, 153028, 173584, 224048, 238678, 306056, 420827, 477356, 612112, 726883, 841654, 954712, 1453766, 1683308, 1909424, 2907532, 3366616, 5815064, 6733232, 7995713, 11630128, 15991426, 31982852, 63965704, 127931408]

約数ペア:

[(1, 127931408), (2, 63965704), (4, 31982852), (8, 15991426), (11, 11630128), (16, 7995713), (19, 6733232), (22, 5815064), (38, 3366616), (44, 2907532), (67, 1909424), (76, 1683308), (88, 1453766), (134, 954712), (152, 841654), (176, 726883), (209, 612112), (268, 477356), (304, 420827), (418, 306056), (536, 238678), (571, 224048), (737, 173584), (836, 153028), (1072, 119339), (1142, 112024), (1273, 100496), (1474, 86792), (1672, 76514), (2284, 56012), (2546, 50248), (2948, 43396), (3344, 38257), (4568, 28006), (5092, 25124), (5896, 21698), (6281, 20368), (9136, 14003), (10184, 12562), (10849, 11792)]