28643108

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{547}}^1$

素因数の和:636

約数の個数: 48

約数和(自身を含む): 58000320

約数和(自身を除く): 29357212

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 53, 76, 106, 212, 247, 494, 547, 689, 988, 1007, 1094, 1378, 2014, 2188, 2756, 4028, 7111, 10393, 13091, 14222, 20786, 26182, 28444, 28991, 41572, 52364, 57982, 115964, 135109, 270218, 376883, 540436, 550829, 753766, 1101658, 1507532, 2203316, 7160777, 14321554, 28643108]

約数ペア:

[(1, 28643108), (2, 14321554), (4, 7160777), (13, 2203316), (19, 1507532), (26, 1101658), (38, 753766), (52, 550829), (53, 540436), (76, 376883), (106, 270218), (212, 135109), (247, 115964), (494, 57982), (547, 52364), (689, 41572), (988, 28991), (1007, 28444), (1094, 26182), (1378, 20786), (2014, 14222), (2188, 13091), (2756, 10393), (4028, 7111)]