72168859

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{541}}^1$

素因数の和:643

約数の個数: 32

約数和(自身を含む): 93657600

約数和(自身を除く): 21488741

約数列:

[1, 7, 17, 19, 59, 119, 133, 323, 413, 541, 1003, 1121, 2261, 3787, 7021, 7847, 9197, 10279, 19057, 31919, 64379, 71953, 133399, 174743, 223433, 542623, 606461, 1223201, 3798361, 4245227, 10309837, 72168859]

約数ペア:

[(1, 72168859), (7, 10309837), (17, 4245227), (19, 3798361), (59, 1223201), (119, 606461), (133, 542623), (323, 223433), (413, 174743), (541, 133399), (1003, 71953), (1121, 64379), (2261, 31919), (3787, 19057), (7021, 10279), (7847, 9197)]