15239990

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{571}}^1$

素因数の和:752

約数の個数: 32

約数和(自身を含む): 29281824

約数和(自身を除く): 14041834

約数列:

[1, 2, 5, 10, 17, 34, 85, 157, 170, 314, 571, 785, 1142, 1570, 2669, 2855, 5338, 5710, 9707, 13345, 19414, 26690, 48535, 89647, 97070, 179294, 448235, 896470, 1523999, 3047998, 7619995, 15239990]

約数ペア:

[(1, 15239990), (2, 7619995), (5, 3047998), (10, 1523999), (17, 896470), (34, 448235), (85, 179294), (157, 97070), (170, 89647), (314, 48535), (571, 26690), (785, 19414), (1142, 13345), (1570, 9707), (2669, 5710), (2855, 5338)]