28247208

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^2\times {\mathrm{71}}^1\times {\mathrm{137}}^1$

素因数の和:239

約数の個数: 96

約数和(自身を含む): 79289280

約数和(自身を除く): 51042072

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 44, 66, 71, 88, 121, 132, 137, 142, 213, 242, 264, 274, 284, 363, 411, 426, 484, 548, 568, 726, 781, 822, 852, 968, 1096, 1452, 1507, 1562, 1644, 1704, 2343, 2904, 3014, 3124, 3288, 4521, 4686, 6028, 6248, 8591, 9042, 9372, 9727, 12056, 16577, 17182, 18084, 18744, 19454, 25773, 29181, 33154, 34364, 36168, 38908, 49731, 51546, 58362, 66308, 68728, 77816, 99462, 103092, 106997, 116724, 132616, 198924, 206184, 213994, 233448, 320991, 397848, 427988, 641982, 855976, 1176967, 1283964, 2353934, 2567928, 3530901, 4707868, 7061802, 9415736, 14123604, 28247208]

約数ペア:

[(1, 28247208), (2, 14123604), (3, 9415736), (4, 7061802), (6, 4707868), (8, 3530901), (11, 2567928), (12, 2353934), (22, 1283964), (24, 1176967), (33, 855976), (44, 641982), (66, 427988), (71, 397848), (88, 320991), (121, 233448), (132, 213994), (137, 206184), (142, 198924), (213, 132616), (242, 116724), (264, 106997), (274, 103092), (284, 99462), (363, 77816), (411, 68728), (426, 66308), (484, 58362), (548, 51546), (568, 49731), (726, 38908), (781, 36168), (822, 34364), (852, 33154), (968, 29181), (1096, 25773), (1452, 19454), (1507, 18744), (1562, 18084), (1644, 17182), (1704, 16577), (2343, 12056), (2904, 9727), (3014, 9372), (3124, 9042), (3288, 8591), (4521, 6248), (4686, 6028)]