161567293472

素因数分解:

$2^5\times {\mathrm{13}}^2\times {\mathrm{89}}^1\times {\mathrm{335681}}^1$

素因数の和:335806

約数の個数: 72

約数和(自身を含む): 348307000020

約数和(自身を除く): 186739706548

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 89, 104, 169, 178, 208, 338, 356, 416, 676, 712, 1157, 1352, 1424, 2314, 2704, 2848, 4628, 5408, 9256, 15041, 18512, 30082, 37024, 60164, 120328, 240656, 335681, 481312, 671362, 1342724, 2685448, 4363853, 5370896, 8727706, 10741792, 17455412, 29875609, 34910824, 56730089, 59751218, 69821648, 113460178, 119502436, 139643296, 226920356, 239004872, 388382917, 453840712, 478009744, 776765834, 907681424, 956019488, 1553531668, 1815362848, 3107063336, 5048977921, 6214126672, 10097955842, 12428253344, 20195911684, 40391823368, 80783646736, 161567293472]

約数ペア:

[(1, 161567293472), (2, 80783646736), (4, 40391823368), (8, 20195911684), (13, 12428253344), (16, 10097955842), (26, 6214126672), (32, 5048977921), (52, 3107063336), (89, 1815362848), (104, 1553531668), (169, 956019488), (178, 907681424), (208, 776765834), (338, 478009744), (356, 453840712), (416, 388382917), (676, 239004872), (712, 226920356), (1157, 139643296), (1352, 119502436), (1424, 113460178), (2314, 69821648), (2704, 59751218), (2848, 56730089), (4628, 34910824), (5408, 29875609), (9256, 17455412), (15041, 10741792), (18512, 8727706), (30082, 5370896), (37024, 4363853), (60164, 2685448), (120328, 1342724), (240656, 671362), (335681, 481312)]