858779990

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{136531}}^1$

素因数の和:136592

約数の個数: 32

約数和(自身を含む): 1680981984

約数和(自身を除く): 822201994

約数列:

[1, 2, 5, 10, 17, 34, 37, 74, 85, 170, 185, 370, 629, 1258, 3145, 6290, 136531, 273062, 682655, 1365310, 2321027, 4642054, 5051647, 10103294, 11605135, 23210270, 25258235, 50516470, 85877999, 171755998, 429389995, 858779990]

約数ペア:

[(1, 858779990), (2, 429389995), (5, 171755998), (10, 85877999), (17, 50516470), (34, 25258235), (37, 23210270), (74, 11605135), (85, 10103294), (170, 5051647), (185, 4642054), (370, 2321027), (629, 1365310), (1258, 682655), (3145, 273062), (6290, 136531)]