83639988

素因数分解:

$2^2\times 3^2\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{761}}^1$

素因数の和:885

約数の個数: 72

約数和(自身を含む): 219675456

約数和(自身を除く): 136035468

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 43, 71, 86, 129, 142, 172, 213, 258, 284, 387, 426, 516, 639, 761, 774, 852, 1278, 1522, 1548, 2283, 2556, 3044, 3053, 4566, 6106, 6849, 9132, 9159, 12212, 13698, 18318, 27396, 27477, 32723, 36636, 54031, 54954, 65446, 98169, 108062, 109908, 130892, 162093, 196338, 216124, 294507, 324186, 392676, 486279, 589014, 648372, 972558, 1178028, 1945116, 2323333, 4646666, 6969999, 9293332, 13939998, 20909997, 27879996, 41819994, 83639988]

約数ペア:

[(1, 83639988), (2, 41819994), (3, 27879996), (4, 20909997), (6, 13939998), (9, 9293332), (12, 6969999), (18, 4646666), (36, 2323333), (43, 1945116), (71, 1178028), (86, 972558), (129, 648372), (142, 589014), (172, 486279), (213, 392676), (258, 324186), (284, 294507), (387, 216124), (426, 196338), (516, 162093), (639, 130892), (761, 109908), (774, 108062), (852, 98169), (1278, 65446), (1522, 54954), (1548, 54031), (2283, 36636), (2556, 32723), (3044, 27477), (3053, 27396), (4566, 18318), (6106, 13698), (6849, 12212), (9132, 9159)]