128277396

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{4091}}^1$

素因数の和:4181

約数の個数: 72

約数和(自身を含む): 354498144

約数和(自身を除く): 226220748

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 67, 78, 117, 134, 156, 201, 234, 268, 402, 468, 603, 804, 871, 1206, 1742, 2412, 2613, 3484, 4091, 5226, 7839, 8182, 10452, 12273, 15678, 16364, 24546, 31356, 36819, 49092, 53183, 73638, 106366, 147276, 159549, 212732, 274097, 319098, 478647, 548194, 638196, 822291, 957294, 1096388, 1644582, 1914588, 2466873, 3289164, 3563261, 4933746, 7126522, 9867492, 10689783, 14253044, 21379566, 32069349, 42759132, 64138698, 128277396]

約数ペア:

[(1, 128277396), (2, 64138698), (3, 42759132), (4, 32069349), (6, 21379566), (9, 14253044), (12, 10689783), (13, 9867492), (18, 7126522), (26, 4933746), (36, 3563261), (39, 3289164), (52, 2466873), (67, 1914588), (78, 1644582), (117, 1096388), (134, 957294), (156, 822291), (201, 638196), (234, 548194), (268, 478647), (402, 319098), (468, 274097), (603, 212732), (804, 159549), (871, 147276), (1206, 106366), (1742, 73638), (2412, 53183), (2613, 49092), (3484, 36819), (4091, 31356), (5226, 24546), (7839, 16364), (8182, 15678), (10452, 12273)]