28354716

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1409}}^1$

素因数の和:1475

約数の個数: 72

約数和(自身を含む): 79038960

約数和(自身を除く): 50684244

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 43, 52, 78, 86, 117, 129, 156, 172, 234, 258, 387, 468, 516, 559, 774, 1118, 1409, 1548, 1677, 2236, 2818, 3354, 4227, 5031, 5636, 6708, 8454, 10062, 12681, 16908, 18317, 20124, 25362, 36634, 50724, 54951, 60587, 73268, 109902, 121174, 164853, 181761, 219804, 242348, 329706, 363522, 545283, 659412, 727044, 787631, 1090566, 1575262, 2181132, 2362893, 3150524, 4725786, 7088679, 9451572, 14177358, 28354716]

約数ペア:

[(1, 28354716), (2, 14177358), (3, 9451572), (4, 7088679), (6, 4725786), (9, 3150524), (12, 2362893), (13, 2181132), (18, 1575262), (26, 1090566), (36, 787631), (39, 727044), (43, 659412), (52, 545283), (78, 363522), (86, 329706), (117, 242348), (129, 219804), (156, 181761), (172, 164853), (234, 121174), (258, 109902), (387, 73268), (468, 60587), (516, 54951), (559, 50724), (774, 36634), (1118, 25362), (1409, 20124), (1548, 18317), (1677, 16908), (2236, 12681), (2818, 10062), (3354, 8454), (4227, 6708), (5031, 5636)]