251741178

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{197}}^1$

素因数の和:388

約数の個数: 96

約数和(自身を含む): 608864256

約数和(自身を除く): 357123078

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 43, 78, 86, 117, 127, 129, 197, 234, 254, 258, 381, 387, 394, 559, 591, 762, 774, 1118, 1143, 1182, 1651, 1677, 1773, 2286, 2561, 3302, 3354, 3546, 4953, 5031, 5122, 5461, 7683, 8471, 9906, 10062, 10922, 14859, 15366, 16383, 16942, 23049, 25019, 25413, 29718, 32766, 46098, 49149, 50038, 50826, 70993, 75057, 76239, 98298, 110123, 141986, 150114, 152478, 212979, 220246, 225171, 325247, 330369, 425958, 450342, 638937, 650494, 660738, 975741, 991107, 1075817, 1277874, 1951482, 1982214, 2151634, 2927223, 3227451, 5854446, 6454902, 9682353, 13985621, 19364706, 27971242, 41956863, 83913726, 125870589, 251741178]

約数ペア:

[(1, 251741178), (2, 125870589), (3, 83913726), (6, 41956863), (9, 27971242), (13, 19364706), (18, 13985621), (26, 9682353), (39, 6454902), (43, 5854446), (78, 3227451), (86, 2927223), (117, 2151634), (127, 1982214), (129, 1951482), (197, 1277874), (234, 1075817), (254, 991107), (258, 975741), (381, 660738), (387, 650494), (394, 638937), (559, 450342), (591, 425958), (762, 330369), (774, 325247), (1118, 225171), (1143, 220246), (1182, 212979), (1651, 152478), (1677, 150114), (1773, 141986), (2286, 110123), (2561, 98298), (3302, 76239), (3354, 75057), (3546, 70993), (4953, 50826), (5031, 50038), (5122, 49149), (5461, 46098), (7683, 32766), (8471, 29718), (9906, 25413), (10062, 25019), (10922, 23049), (14859, 16942), (15366, 16383)]