258404564

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{173}}^1\times {\mathrm{409}}^1$

素因数の和:680

約数の個数: 48

約数和(自身を含む): 503375040

約数和(自身を除く): 244970476

約数列:

[1, 2, 4, 11, 22, 44, 83, 166, 173, 332, 346, 409, 692, 818, 913, 1636, 1826, 1903, 3652, 3806, 4499, 7612, 8998, 14359, 17996, 28718, 33947, 57436, 67894, 70757, 135788, 141514, 157949, 283028, 315898, 373417, 631796, 746834, 778327, 1493668, 1556654, 3113308, 5872831, 11745662, 23491324, 64601141, 129202282, 258404564]

約数ペア:

[(1, 258404564), (2, 129202282), (4, 64601141), (11, 23491324), (22, 11745662), (44, 5872831), (83, 3113308), (166, 1556654), (173, 1493668), (332, 778327), (346, 746834), (409, 631796), (692, 373417), (818, 315898), (913, 283028), (1636, 157949), (1826, 141514), (1903, 135788), (3652, 70757), (3806, 67894), (4499, 57436), (7612, 33947), (8998, 28718), (14359, 17996)]