1645432256

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{10039}}^1$

素因数の和:10261

約数の個数: 56

約数和(自身を含む): 3534521760

約数和(自身を除く): 1889089504

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 197, 208, 394, 416, 788, 832, 1576, 2561, 3152, 5122, 6304, 10039, 10244, 12608, 20078, 20488, 40156, 40976, 80312, 81952, 130507, 160624, 163904, 261014, 321248, 522028, 642496, 1044056, 1977683, 2088112, 3955366, 4176224, 7910732, 8352448, 15821464, 25709879, 31642928, 51419758, 63285856, 102839516, 126571712, 205679032, 411358064, 822716128, 1645432256]

約数ペア:

[(1, 1645432256), (2, 822716128), (4, 411358064), (8, 205679032), (13, 126571712), (16, 102839516), (26, 63285856), (32, 51419758), (52, 31642928), (64, 25709879), (104, 15821464), (197, 8352448), (208, 7910732), (394, 4176224), (416, 3955366), (788, 2088112), (832, 1977683), (1576, 1044056), (2561, 642496), (3152, 522028), (5122, 321248), (6304, 261014), (10039, 163904), (10244, 160624), (12608, 130507), (20078, 81952), (20488, 80312), (40156, 40976)]