1638857538

素因数分解:

$2^1\times 3^2\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{15233}}^1$

素因数の和:15423

約数の個数: 48

約数和(自身を含む): 3659816160

約数和(自身を除く): 2020958622

約数列:

[1, 2, 3, 6, 9, 18, 43, 86, 129, 139, 258, 278, 387, 417, 774, 834, 1251, 2502, 5977, 11954, 15233, 17931, 30466, 35862, 45699, 53793, 91398, 107586, 137097, 274194, 655019, 1310038, 1965057, 2117387, 3930114, 4234774, 5895171, 6352161, 11790342, 12704322, 19056483, 38112966, 91047641, 182095282, 273142923, 546285846, 819428769, 1638857538]

約数ペア:

[(1, 1638857538), (2, 819428769), (3, 546285846), (6, 273142923), (9, 182095282), (18, 91047641), (43, 38112966), (86, 19056483), (129, 12704322), (139, 11790342), (258, 6352161), (278, 5895171), (387, 4234774), (417, 3930114), (774, 2117387), (834, 1965057), (1251, 1310038), (2502, 655019), (5977, 274194), (11954, 137097), (15233, 107586), (17931, 91398), (30466, 53793), (35862, 45699)]