208338715

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^2\times {\mathrm{73}}^1\times {\mathrm{83}}^1$

素因数の和:220

約数の個数: 48

約数和(自身を含む): 288745632

約数和(自身を除く): 80406917

約数列:

[1, 5, 13, 23, 65, 73, 83, 115, 299, 365, 415, 529, 949, 1079, 1495, 1679, 1909, 2645, 4745, 5395, 6059, 6877, 8395, 9545, 21827, 24817, 30295, 34385, 38617, 43907, 78767, 109135, 124085, 139357, 193085, 219535, 393835, 502021, 570791, 696785, 1811641, 2510105, 2853955, 3205211, 9058205, 16026055, 41667743, 208338715]

約数ペア:

[(1, 208338715), (5, 41667743), (13, 16026055), (23, 9058205), (65, 3205211), (73, 2853955), (83, 2510105), (115, 1811641), (299, 696785), (365, 570791), (415, 502021), (529, 393835), (949, 219535), (1079, 193085), (1495, 139357), (1679, 124085), (1909, 109135), (2645, 78767), (4745, 43907), (5395, 38617), (6059, 34385), (6877, 30295), (8395, 24817), (9545, 21827)]