840625812

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{16787}}^1$

素因数の和:16917

約数の個数: 72

約数和(自身を含む): 2309894496

約数和(自身を除く): 1469268684

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 107, 117, 156, 214, 234, 321, 428, 468, 642, 963, 1284, 1391, 1926, 2782, 3852, 4173, 5564, 8346, 12519, 16692, 16787, 25038, 33574, 50076, 50361, 67148, 100722, 151083, 201444, 218231, 302166, 436462, 604332, 654693, 872924, 1309386, 1796209, 1964079, 2618772, 3592418, 3928158, 5388627, 7184836, 7856316, 10777254, 16165881, 21554508, 23350717, 32331762, 46701434, 64663524, 70052151, 93402868, 140104302, 210156453, 280208604, 420312906, 840625812]

約数ペア:

[(1, 840625812), (2, 420312906), (3, 280208604), (4, 210156453), (6, 140104302), (9, 93402868), (12, 70052151), (13, 64663524), (18, 46701434), (26, 32331762), (36, 23350717), (39, 21554508), (52, 16165881), (78, 10777254), (107, 7856316), (117, 7184836), (156, 5388627), (214, 3928158), (234, 3592418), (321, 2618772), (428, 1964079), (468, 1796209), (642, 1309386), (963, 872924), (1284, 654693), (1391, 604332), (1926, 436462), (2782, 302166), (3852, 218231), (4173, 201444), (5564, 151083), (8346, 100722), (12519, 67148), (16692, 50361), (16787, 50076), (25038, 33574)]