221885928

素因数分解:

$2^3\times 3^2\times {\mathrm{11}}^2\times {\mathrm{25469}}^1$

素因数の和:25503

約数の個数: 72

約数和(自身を含む): 660564450

約数和(自身を除く): 438678522

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 18, 22, 24, 33, 36, 44, 66, 72, 88, 99, 121, 132, 198, 242, 264, 363, 396, 484, 726, 792, 968, 1089, 1452, 2178, 2904, 4356, 8712, 25469, 50938, 76407, 101876, 152814, 203752, 229221, 280159, 305628, 458442, 560318, 611256, 840477, 916884, 1120636, 1680954, 1833768, 2241272, 2521431, 3081749, 3361908, 5042862, 6163498, 6723816, 9245247, 10085724, 12326996, 18490494, 20171448, 24653992, 27735741, 36980988, 55471482, 73961976, 110942964, 221885928]

約数ペア:

[(1, 221885928), (2, 110942964), (3, 73961976), (4, 55471482), (6, 36980988), (8, 27735741), (9, 24653992), (11, 20171448), (12, 18490494), (18, 12326996), (22, 10085724), (24, 9245247), (33, 6723816), (36, 6163498), (44, 5042862), (66, 3361908), (72, 3081749), (88, 2521431), (99, 2241272), (121, 1833768), (132, 1680954), (198, 1120636), (242, 916884), (264, 840477), (363, 611256), (396, 560318), (484, 458442), (726, 305628), (792, 280159), (968, 229221), (1089, 203752), (1452, 152814), (2178, 101876), (2904, 76407), (4356, 50938), (8712, 25469)]