81027986

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{229}}^1\times {\mathrm{439}}^1$

素因数の和:714

約数の個数: 32

約数和(自身を含む): 136012800

約数和(自身を除く): 54984814

約数列:

[1, 2, 13, 26, 31, 62, 229, 403, 439, 458, 806, 878, 2977, 5707, 5954, 7099, 11414, 13609, 14198, 27218, 92287, 100531, 176917, 184574, 201062, 353834, 1306903, 2613806, 3116461, 6232922, 40513993, 81027986]

約数ペア:

[(1, 81027986), (2, 40513993), (13, 6232922), (26, 3116461), (31, 2613806), (62, 1306903), (229, 353834), (403, 201062), (439, 184574), (458, 176917), (806, 100531), (878, 92287), (2977, 27218), (5707, 14198), (5954, 13609), (7099, 11414)]