128981762

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{22861}}^1$

素因数の和:22914

約数の個数: 32

約数和(自身を含む): 245812224

約数和(自身を除く): 116830462

約数列:

[1, 2, 7, 13, 14, 26, 31, 62, 91, 182, 217, 403, 434, 806, 2821, 5642, 22861, 45722, 160027, 297193, 320054, 594386, 708691, 1417382, 2080351, 4160702, 4960837, 9212983, 9921674, 18425966, 64490881, 128981762]

約数ペア:

[(1, 128981762), (2, 64490881), (7, 18425966), (13, 9921674), (14, 9212983), (26, 4960837), (31, 4160702), (62, 2080351), (91, 1417382), (182, 708691), (217, 594386), (403, 320054), (434, 297193), (806, 160027), (2821, 45722), (5642, 22861)]