217305424

素因数分解:

$2^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{1871}}^1$

素因数の和:1964

約数の個数: 80

約数和(自身を含む): 518109696

約数和(自身を除く): 300804272

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 34, 56, 61, 68, 112, 119, 122, 136, 238, 244, 272, 427, 476, 488, 854, 952, 976, 1037, 1708, 1871, 1904, 2074, 3416, 3742, 4148, 6832, 7259, 7484, 8296, 13097, 14518, 14968, 16592, 26194, 29036, 29936, 31807, 52388, 58072, 63614, 104776, 114131, 116144, 127228, 209552, 222649, 228262, 254456, 445298, 456524, 508912, 798917, 890596, 913048, 1597834, 1781192, 1826096, 1940227, 3195668, 3562384, 3880454, 6391336, 7760908, 12782672, 13581589, 15521816, 27163178, 31043632, 54326356, 108652712, 217305424]

約数ペア:

[(1, 217305424), (2, 108652712), (4, 54326356), (7, 31043632), (8, 27163178), (14, 15521816), (16, 13581589), (17, 12782672), (28, 7760908), (34, 6391336), (56, 3880454), (61, 3562384), (68, 3195668), (112, 1940227), (119, 1826096), (122, 1781192), (136, 1597834), (238, 913048), (244, 890596), (272, 798917), (427, 508912), (476, 456524), (488, 445298), (854, 254456), (952, 228262), (976, 222649), (1037, 209552), (1708, 127228), (1871, 116144), (1904, 114131), (2074, 104776), (3416, 63614), (3742, 58072), (4148, 52388), (6832, 31807), (7259, 29936), (7484, 29036), (8296, 26194), (13097, 16592), (14518, 14968)]