261576016

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{359}}^1$

素因数の和:524

約数の個数: 80

約数和(自身を含む): 569963520

約数和(自身を除く): 308387504

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 104, 113, 124, 208, 226, 248, 359, 403, 452, 496, 718, 806, 904, 1436, 1469, 1612, 1808, 2872, 2938, 3224, 3503, 4667, 5744, 5876, 6448, 7006, 9334, 11129, 11752, 14012, 18668, 22258, 23504, 28024, 37336, 40567, 44516, 45539, 56048, 74672, 81134, 89032, 91078, 144677, 162268, 178064, 182156, 289354, 324536, 364312, 527371, 578708, 649072, 728624, 1054742, 1157416, 1257577, 2109484, 2314832, 2515154, 4218968, 5030308, 8437936, 10060616, 16348501, 20121232, 32697002, 65394004, 130788008, 261576016]

約数ペア:

[(1, 261576016), (2, 130788008), (4, 65394004), (8, 32697002), (13, 20121232), (16, 16348501), (26, 10060616), (31, 8437936), (52, 5030308), (62, 4218968), (104, 2515154), (113, 2314832), (124, 2109484), (208, 1257577), (226, 1157416), (248, 1054742), (359, 728624), (403, 649072), (452, 578708), (496, 527371), (718, 364312), (806, 324536), (904, 289354), (1436, 182156), (1469, 178064), (1612, 162268), (1808, 144677), (2872, 91078), (2938, 89032), (3224, 81134), (3503, 74672), (4667, 56048), (5744, 45539), (5876, 44516), (6448, 40567), (7006, 37336), (9334, 28024), (11129, 23504), (11752, 22258), (14012, 18668)]