172342690

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{103}}^1\times {\mathrm{211}}^1$

素因数の和:395

約数の個数: 64

約数和(自身を含む): 344477952

約数和(自身を除く): 172135262

約数列:

[1, 2, 5, 10, 13, 26, 61, 65, 103, 122, 130, 206, 211, 305, 422, 515, 610, 793, 1030, 1055, 1339, 1586, 2110, 2678, 2743, 3965, 5486, 6283, 6695, 7930, 12566, 12871, 13390, 13715, 21733, 25742, 27430, 31415, 43466, 62830, 64355, 81679, 108665, 128710, 163358, 167323, 217330, 282529, 334646, 408395, 565058, 816790, 836615, 1325713, 1412645, 1673230, 2651426, 2825290, 6628565, 13257130, 17234269, 34468538, 86171345, 172342690]

約数ペア:

[(1, 172342690), (2, 86171345), (5, 34468538), (10, 17234269), (13, 13257130), (26, 6628565), (61, 2825290), (65, 2651426), (103, 1673230), (122, 1412645), (130, 1325713), (206, 836615), (211, 816790), (305, 565058), (422, 408395), (515, 334646), (610, 282529), (793, 217330), (1030, 167323), (1055, 163358), (1339, 128710), (1586, 108665), (2110, 81679), (2678, 64355), (2743, 62830), (3965, 43466), (5486, 31415), (6283, 27430), (6695, 25742), (7930, 21733), (12566, 13715), (12871, 13390)]