15439216

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{373}}^1$

素因数の和:593

約数の個数: 40

約数和(自身を含む): 32463200

約数和(自身を除く): 17023984

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 199, 208, 373, 398, 746, 796, 1492, 1592, 2587, 2984, 3184, 4849, 5174, 5968, 9698, 10348, 19396, 20696, 38792, 41392, 74227, 77584, 148454, 296908, 593816, 964951, 1187632, 1929902, 3859804, 7719608, 15439216]

約数ペア:

[(1, 15439216), (2, 7719608), (4, 3859804), (8, 1929902), (13, 1187632), (16, 964951), (26, 593816), (52, 296908), (104, 148454), (199, 77584), (208, 74227), (373, 41392), (398, 38792), (746, 20696), (796, 19396), (1492, 10348), (1592, 9698), (2587, 5968), (2984, 5174), (3184, 4849)]