289471118

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{3461}}^1$

素因数の和:3584

約数の個数: 32

約数和(自身を含む): 478586880

約数和(自身を除く): 189115762

約数列:

[1, 2, 19, 31, 38, 62, 71, 142, 589, 1178, 1349, 2201, 2698, 3461, 4402, 6922, 41819, 65759, 83638, 107291, 131518, 214582, 245731, 491462, 2038529, 4077058, 4668889, 7617661, 9337778, 15235322, 144735559, 289471118]

約数ペア:

[(1, 289471118), (2, 144735559), (19, 15235322), (31, 9337778), (38, 7617661), (62, 4668889), (71, 4077058), (142, 2038529), (589, 491462), (1178, 245731), (1349, 214582), (2201, 131518), (2698, 107291), (3461, 83638), (4402, 65759), (6922, 41819)]