1729988

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1$

素因数の和:156

約数の個数: 48

約数和(自身を含む): 3669120

約数和(自身を除く): 1939132

約数列:

[1, 2, 4, 13, 17, 19, 26, 34, 38, 52, 68, 76, 103, 206, 221, 247, 323, 412, 442, 494, 646, 884, 988, 1292, 1339, 1751, 1957, 2678, 3502, 3914, 4199, 5356, 7004, 7828, 8398, 16796, 22763, 25441, 33269, 45526, 50882, 66538, 91052, 101764, 133076, 432497, 864994, 1729988]

約数ペア:

[(1, 1729988), (2, 864994), (4, 432497), (13, 133076), (17, 101764), (19, 91052), (26, 66538), (34, 50882), (38, 45526), (52, 33269), (68, 25441), (76, 22763), (103, 16796), (206, 8398), (221, 7828), (247, 7004), (323, 5356), (412, 4199), (442, 3914), (494, 3502), (646, 2678), (884, 1957), (988, 1751), (1292, 1339)]