81981336

素因数分解:

$2^3\times 3^1\times {\mathrm{73}}^2\times {\mathrm{641}}^1$

素因数の和:796

約数の個数: 48

約数和(自身を含む): 208123560

約数和(自身を除く): 126142224

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 73, 146, 219, 292, 438, 584, 641, 876, 1282, 1752, 1923, 2564, 3846, 5128, 5329, 7692, 10658, 15384, 15987, 21316, 31974, 42632, 46793, 63948, 93586, 127896, 140379, 187172, 280758, 374344, 561516, 1123032, 3415889, 6831778, 10247667, 13663556, 20495334, 27327112, 40990668, 81981336]

約数ペア:

[(1, 81981336), (2, 40990668), (3, 27327112), (4, 20495334), (6, 13663556), (8, 10247667), (12, 6831778), (24, 3415889), (73, 1123032), (146, 561516), (219, 374344), (292, 280758), (438, 187172), (584, 140379), (641, 127896), (876, 93586), (1282, 63948), (1752, 46793), (1923, 42632), (2564, 31974), (3846, 21316), (5128, 15987), (5329, 15384), (7692, 10658)]