1022788

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{89}}^1$

素因数の和:136

約数の個数: 36

約数和(自身を含む): 2075220

約数和(自身を除く): 1052432

約数列:

[1, 2, 4, 13, 17, 26, 34, 52, 68, 89, 169, 178, 221, 338, 356, 442, 676, 884, 1157, 1513, 2314, 2873, 3026, 4628, 5746, 6052, 11492, 15041, 19669, 30082, 39338, 60164, 78676, 255697, 511394, 1022788]

約数ペア:

[(1, 1022788), (2, 511394), (4, 255697), (13, 78676), (17, 60164), (26, 39338), (34, 30082), (52, 19669), (68, 15041), (89, 11492), (169, 6052), (178, 5746), (221, 4628), (338, 3026), (356, 2873), (442, 2314), (676, 1513), (884, 1157)]