17778124

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^3\times {\mathrm{17}}^2$

素因数の和:84

約数の個数: 72

約数和(自身を含む): 40916960

約数和(自身を除く): 23138836

約数列:

[1, 2, 4, 7, 13, 14, 17, 26, 28, 34, 52, 68, 91, 119, 169, 182, 221, 238, 289, 338, 364, 442, 476, 578, 676, 884, 1156, 1183, 1547, 2023, 2197, 2366, 2873, 3094, 3757, 4046, 4394, 4732, 5746, 6188, 7514, 8092, 8788, 11492, 15028, 15379, 20111, 26299, 30758, 37349, 40222, 48841, 52598, 61516, 74698, 80444, 97682, 105196, 149396, 195364, 261443, 341887, 522886, 634933, 683774, 1045772, 1269866, 1367548, 2539732, 4444531, 8889062, 17778124]

約数ペア:

[(1, 17778124), (2, 8889062), (4, 4444531), (7, 2539732), (13, 1367548), (14, 1269866), (17, 1045772), (26, 683774), (28, 634933), (34, 522886), (52, 341887), (68, 261443), (91, 195364), (119, 149396), (169, 105196), (182, 97682), (221, 80444), (238, 74698), (289, 61516), (338, 52598), (364, 48841), (442, 40222), (476, 37349), (578, 30758), (676, 26299), (884, 20111), (1156, 15379), (1183, 15028), (1547, 11492), (2023, 8788), (2197, 8092), (2366, 7514), (2873, 6188), (3094, 5746), (3757, 4732), (4046, 4394)]