257424882

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{15791}}^1$

素因数の和:15839

約数の個数: 64

約数和(自身を含む): 636733440

約数和(自身を除く): 379308558

約数列:

[1, 2, 3, 6, 11, 13, 19, 22, 26, 33, 38, 39, 57, 66, 78, 114, 143, 209, 247, 286, 418, 429, 494, 627, 741, 858, 1254, 1482, 2717, 5434, 8151, 15791, 16302, 31582, 47373, 94746, 173701, 205283, 300029, 347402, 410566, 521103, 600058, 615849, 900087, 1042206, 1231698, 1800174, 2258113, 3300319, 3900377, 4516226, 6600638, 6774339, 7800754, 9900957, 11701131, 13548678, 19801914, 23402262, 42904147, 85808294, 128712441, 257424882]

約数ペア:

[(1, 257424882), (2, 128712441), (3, 85808294), (6, 42904147), (11, 23402262), (13, 19801914), (19, 13548678), (22, 11701131), (26, 9900957), (33, 7800754), (38, 6774339), (39, 6600638), (57, 4516226), (66, 3900377), (78, 3300319), (114, 2258113), (143, 1800174), (209, 1231698), (247, 1042206), (286, 900087), (418, 615849), (429, 600058), (494, 521103), (627, 410566), (741, 347402), (858, 300029), (1254, 205283), (1482, 173701), (2717, 94746), (5434, 47373), (8151, 31582), (15791, 16302)]