51517908

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1$

素因数の和:174

約数の個数: 144

約数和(自身を含む): 149700096

約数和(自身を除く): 98182188

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 31, 36, 39, 52, 53, 62, 67, 78, 93, 106, 117, 124, 134, 156, 159, 186, 201, 212, 234, 268, 279, 318, 372, 402, 403, 468, 477, 558, 603, 636, 689, 804, 806, 871, 954, 1116, 1206, 1209, 1378, 1612, 1643, 1742, 1908, 2067, 2077, 2412, 2418, 2613, 2756, 3286, 3484, 3551, 3627, 4134, 4154, 4836, 4929, 5226, 6201, 6231, 6572, 7102, 7254, 7839, 8268, 8308, 9858, 10452, 10653, 12402, 12462, 14204, 14508, 14787, 15678, 18693, 19716, 21306, 21359, 24804, 24924, 27001, 29574, 31356, 31959, 37386, 42612, 42718, 46163, 54002, 59148, 63918, 64077, 74772, 81003, 85436, 92326, 108004, 110081, 127836, 128154, 138489, 162006, 184652, 192231, 220162, 243009, 256308, 276978, 324012, 330243, 384462, 415467, 440324, 486018, 553956, 660486, 768924, 830934, 972036, 990729, 1320972, 1431053, 1661868, 1981458, 2862106, 3962916, 4293159, 5724212, 8586318, 12879477, 17172636, 25758954, 51517908]

約数ペア:

[(1, 51517908), (2, 25758954), (3, 17172636), (4, 12879477), (6, 8586318), (9, 5724212), (12, 4293159), (13, 3962916), (18, 2862106), (26, 1981458), (31, 1661868), (36, 1431053), (39, 1320972), (52, 990729), (53, 972036), (62, 830934), (67, 768924), (78, 660486), (93, 553956), (106, 486018), (117, 440324), (124, 415467), (134, 384462), (156, 330243), (159, 324012), (186, 276978), (201, 256308), (212, 243009), (234, 220162), (268, 192231), (279, 184652), (318, 162006), (372, 138489), (402, 128154), (403, 127836), (468, 110081), (477, 108004), (558, 92326), (603, 85436), (636, 81003), (689, 74772), (804, 64077), (806, 63918), (871, 59148), (954, 54002), (1116, 46163), (1206, 42718), (1209, 42612), (1378, 37386), (1612, 31959), (1643, 31356), (1742, 29574), (1908, 27001), (2067, 24924), (2077, 24804), (2412, 21359), (2418, 21306), (2613, 19716), (2756, 18693), (3286, 15678), (3484, 14787), (3551, 14508), (3627, 14204), (4134, 12462), (4154, 12402), (4836, 10653), (4929, 10452), (5226, 9858), (6201, 8308), (6231, 8268), (6572, 7839), (7102, 7254)]