81474128

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{3229}}^1$

素因数の和:3339

約数の個数: 40

約数和(自身を含む): 168218400

約数和(自身を除く): 86744272

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 83, 152, 166, 304, 332, 664, 1328, 1577, 3154, 3229, 6308, 6458, 12616, 12916, 25232, 25832, 51664, 61351, 122702, 245404, 268007, 490808, 536014, 981616, 1072028, 2144056, 4288112, 5092133, 10184266, 20368532, 40737064, 81474128]

約数ペア:

[(1, 81474128), (2, 40737064), (4, 20368532), (8, 10184266), (16, 5092133), (19, 4288112), (38, 2144056), (76, 1072028), (83, 981616), (152, 536014), (166, 490808), (304, 268007), (332, 245404), (664, 122702), (1328, 61351), (1577, 51664), (3154, 25832), (3229, 25232), (6308, 12916), (6458, 12616)]