28493090

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^2\times {\mathrm{67}}^1$

素因数の和:183

約数の個数: 48

約数和(自身を含む): 55608768

約数和(自身を除く): 27115678

約数列:

[1, 2, 5, 10, 23, 43, 46, 67, 86, 115, 134, 215, 230, 335, 430, 670, 989, 1541, 1849, 1978, 2881, 3082, 3698, 4945, 5762, 7705, 9245, 9890, 14405, 15410, 18490, 28810, 42527, 66263, 85054, 123883, 132526, 212635, 247766, 331315, 425270, 619415, 662630, 1238830, 2849309, 5698618, 14246545, 28493090]

約数ペア:

[(1, 28493090), (2, 14246545), (5, 5698618), (10, 2849309), (23, 1238830), (43, 662630), (46, 619415), (67, 425270), (86, 331315), (115, 247766), (134, 212635), (215, 132526), (230, 123883), (335, 85054), (430, 66263), (670, 42527), (989, 28810), (1541, 18490), (1849, 15410), (1978, 14405), (2881, 9890), (3082, 9245), (3698, 7705), (4945, 5762)]