161904132

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{457}}^1\times {\mathrm{757}}^1$

素因数の和:1237

約数の個数: 72

約数和(自身を含む): 442286936

約数和(自身を除く): 280382804

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 457, 468, 757, 914, 1371, 1514, 1828, 2271, 2742, 3028, 4113, 4542, 5484, 5941, 6813, 8226, 9084, 9841, 11882, 13626, 16452, 17823, 19682, 23764, 27252, 29523, 35646, 39364, 53469, 59046, 71292, 88569, 106938, 118092, 177138, 213876, 345949, 354276, 691898, 1037847, 1383796, 2075694, 3113541, 4151388, 4497337, 6227082, 8994674, 12454164, 13492011, 17989348, 26984022, 40476033, 53968044, 80952066, 161904132]

約数ペア:

[(1, 161904132), (2, 80952066), (3, 53968044), (4, 40476033), (6, 26984022), (9, 17989348), (12, 13492011), (13, 12454164), (18, 8994674), (26, 6227082), (36, 4497337), (39, 4151388), (52, 3113541), (78, 2075694), (117, 1383796), (156, 1037847), (234, 691898), (457, 354276), (468, 345949), (757, 213876), (914, 177138), (1371, 118092), (1514, 106938), (1828, 88569), (2271, 71292), (2742, 59046), (3028, 53469), (4113, 39364), (4542, 35646), (5484, 29523), (5941, 27252), (6813, 23764), (8226, 19682), (9084, 17823), (9841, 16452), (11882, 13626)]