128253972

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{251}}^1$

素因数の和:362

約数の個数: 144

約数和(自身を含む): 386104320

約数和(自身を除く): 257850348

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 14, 21, 22, 28, 33, 42, 44, 49, 66, 77, 79, 84, 98, 132, 147, 154, 158, 196, 231, 237, 251, 294, 308, 316, 462, 474, 502, 539, 553, 588, 753, 869, 924, 948, 1004, 1078, 1106, 1506, 1617, 1659, 1738, 1757, 2156, 2212, 2607, 2761, 3012, 3234, 3318, 3476, 3514, 3871, 5214, 5271, 5522, 6083, 6468, 6636, 7028, 7742, 8283, 10428, 10542, 11044, 11613, 12166, 12299, 15484, 16566, 18249, 19327, 19829, 21084, 23226, 24332, 24598, 33132, 36498, 36897, 38654, 39658, 42581, 46452, 49196, 57981, 59487, 72996, 73794, 77308, 79316, 85162, 115962, 118974, 127743, 135289, 138803, 147588, 170324, 218119, 231924, 237948, 255486, 270578, 277606, 405867, 416409, 436238, 510972, 541156, 555212, 654357, 811734, 832818, 872476, 971621, 1308714, 1526833, 1623468, 1665636, 1943242, 2617428, 2914863, 3053666, 3886484, 4580499, 5829726, 6107332, 9160998, 10687831, 11659452, 18321996, 21375662, 32063493, 42751324, 64126986, 128253972]

約数ペア:

[(1, 128253972), (2, 64126986), (3, 42751324), (4, 32063493), (6, 21375662), (7, 18321996), (11, 11659452), (12, 10687831), (14, 9160998), (21, 6107332), (22, 5829726), (28, 4580499), (33, 3886484), (42, 3053666), (44, 2914863), (49, 2617428), (66, 1943242), (77, 1665636), (79, 1623468), (84, 1526833), (98, 1308714), (132, 971621), (147, 872476), (154, 832818), (158, 811734), (196, 654357), (231, 555212), (237, 541156), (251, 510972), (294, 436238), (308, 416409), (316, 405867), (462, 277606), (474, 270578), (502, 255486), (539, 237948), (553, 231924), (588, 218119), (753, 170324), (869, 147588), (924, 138803), (948, 135289), (1004, 127743), (1078, 118974), (1106, 115962), (1506, 85162), (1617, 79316), (1659, 77308), (1738, 73794), (1757, 72996), (2156, 59487), (2212, 57981), (2607, 49196), (2761, 46452), (3012, 42581), (3234, 39658), (3318, 38654), (3476, 36897), (3514, 36498), (3871, 33132), (5214, 24598), (5271, 24332), (5522, 23226), (6083, 21084), (6468, 19829), (6636, 19327), (7028, 18249), (7742, 16566), (8283, 15484), (10428, 12299), (10542, 12166), (11044, 11613)]