287991612

素因数分解:

$2^2\times 3^4\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{541}}^1$

素因数の和:641

約数の個数: 120

約数和(自身を含む): 793279872

約数和(自身を除く): 505288260

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 31, 36, 53, 54, 62, 81, 93, 106, 108, 124, 159, 162, 186, 212, 279, 318, 324, 372, 477, 541, 558, 636, 837, 954, 1082, 1116, 1431, 1623, 1643, 1674, 1908, 2164, 2511, 2862, 3246, 3286, 3348, 4293, 4869, 4929, 5022, 5724, 6492, 6572, 8586, 9738, 9858, 10044, 14607, 14787, 16771, 17172, 19476, 19716, 28673, 29214, 29574, 33542, 43821, 44361, 50313, 57346, 58428, 59148, 67084, 86019, 87642, 88722, 100626, 114692, 133083, 150939, 172038, 175284, 177444, 201252, 258057, 266166, 301878, 344076, 452817, 516114, 532332, 603756, 774171, 888863, 905634, 1032228, 1358451, 1548342, 1777726, 1811268, 2322513, 2666589, 2716902, 3096684, 3555452, 4645026, 5333178, 5433804, 7999767, 9290052, 10666356, 15999534, 23999301, 31999068, 47998602, 71997903, 95997204, 143995806, 287991612]

約数ペア:

[(1, 287991612), (2, 143995806), (3, 95997204), (4, 71997903), (6, 47998602), (9, 31999068), (12, 23999301), (18, 15999534), (27, 10666356), (31, 9290052), (36, 7999767), (53, 5433804), (54, 5333178), (62, 4645026), (81, 3555452), (93, 3096684), (106, 2716902), (108, 2666589), (124, 2322513), (159, 1811268), (162, 1777726), (186, 1548342), (212, 1358451), (279, 1032228), (318, 905634), (324, 888863), (372, 774171), (477, 603756), (541, 532332), (558, 516114), (636, 452817), (837, 344076), (954, 301878), (1082, 266166), (1116, 258057), (1431, 201252), (1623, 177444), (1643, 175284), (1674, 172038), (1908, 150939), (2164, 133083), (2511, 114692), (2862, 100626), (3246, 88722), (3286, 87642), (3348, 86019), (4293, 67084), (4869, 59148), (4929, 58428), (5022, 57346), (5724, 50313), (6492, 44361), (6572, 43821), (8586, 33542), (9738, 29574), (9858, 29214), (10044, 28673), (14607, 19716), (14787, 19476), (16771, 17172)]