28746145

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{227}}^1$

素因数の和:325

約数の個数: 32

約数和(自身を含む): 38522880

約数和(自身を除く): 9776735

約数列:

[1, 5, 19, 31, 43, 95, 155, 215, 227, 589, 817, 1135, 1333, 2945, 4085, 4313, 6665, 7037, 9761, 21565, 25327, 35185, 48805, 126635, 133703, 185459, 302591, 668515, 927295, 1512955, 5749229, 28746145]

約数ペア:

[(1, 28746145), (5, 5749229), (19, 1512955), (31, 927295), (43, 668515), (95, 302591), (155, 185459), (215, 133703), (227, 126635), (589, 48805), (817, 35185), (1135, 25327), (1333, 21565), (2945, 9761), (4085, 7037), (4313, 6665)]