217624784

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{1039}}^1$

素因数の和:1132

約数の個数: 80

約数和(自身を含む): 487468800

約数和(自身を除く): 269844016

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 52, 53, 76, 104, 106, 152, 208, 212, 247, 304, 424, 494, 689, 848, 988, 1007, 1039, 1378, 1976, 2014, 2078, 2756, 3952, 4028, 4156, 5512, 8056, 8312, 11024, 13091, 13507, 16112, 16624, 19741, 26182, 27014, 39482, 52364, 54028, 55067, 78964, 104728, 108056, 110134, 157928, 209456, 216112, 220268, 256633, 315856, 440536, 513266, 715871, 881072, 1026532, 1046273, 1431742, 2053064, 2092546, 2863484, 4106128, 4185092, 5726968, 8370184, 11453936, 13601549, 16740368, 27203098, 54406196, 108812392, 217624784]

約数ペア:

[(1, 217624784), (2, 108812392), (4, 54406196), (8, 27203098), (13, 16740368), (16, 13601549), (19, 11453936), (26, 8370184), (38, 5726968), (52, 4185092), (53, 4106128), (76, 2863484), (104, 2092546), (106, 2053064), (152, 1431742), (208, 1046273), (212, 1026532), (247, 881072), (304, 715871), (424, 513266), (494, 440536), (689, 315856), (848, 256633), (988, 220268), (1007, 216112), (1039, 209456), (1378, 157928), (1976, 110134), (2014, 108056), (2078, 104728), (2756, 78964), (3952, 55067), (4028, 54028), (4156, 52364), (5512, 39482), (8056, 27014), (8312, 26182), (11024, 19741), (13091, 16624), (13507, 16112)]