28365324

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{349}}^1\times {\mathrm{521}}^1$

素因数の和:890

約数の個数: 48

約数和(自身を含む): 71618400

約数和(自身を除く): 43253076

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 349, 521, 698, 1042, 1047, 1396, 1563, 2084, 2094, 3126, 4188, 4537, 6252, 6773, 9074, 13546, 13611, 18148, 20319, 27092, 27222, 40638, 54444, 81276, 181829, 363658, 545487, 727316, 1090974, 2181948, 2363777, 4727554, 7091331, 9455108, 14182662, 28365324]

約数ペア:

[(1, 28365324), (2, 14182662), (3, 9455108), (4, 7091331), (6, 4727554), (12, 2363777), (13, 2181948), (26, 1090974), (39, 727316), (52, 545487), (78, 363658), (156, 181829), (349, 81276), (521, 54444), (698, 40638), (1042, 27222), (1047, 27092), (1396, 20319), (1563, 18148), (2084, 13611), (2094, 13546), (3126, 9074), (4188, 6773), (4537, 6252)]