128648832

素因数分解:

$2^7\times 3^1\times {\mathrm{13}}^1\times {\mathrm{25771}}^1$

素因数の和:25801

約数の個数: 64

約数和(自身を含む): 368024160

約数和(自身を除く): 239375328

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 64, 78, 96, 104, 128, 156, 192, 208, 312, 384, 416, 624, 832, 1248, 1664, 2496, 4992, 25771, 51542, 77313, 103084, 154626, 206168, 309252, 335023, 412336, 618504, 670046, 824672, 1005069, 1237008, 1340092, 1649344, 2010138, 2474016, 2680184, 3298688, 4020276, 4948032, 5360368, 8040552, 9896064, 10720736, 16081104, 21441472, 32162208, 42882944, 64324416, 128648832]

約数ペア:

[(1, 128648832), (2, 64324416), (3, 42882944), (4, 32162208), (6, 21441472), (8, 16081104), (12, 10720736), (13, 9896064), (16, 8040552), (24, 5360368), (26, 4948032), (32, 4020276), (39, 3298688), (48, 2680184), (52, 2474016), (64, 2010138), (78, 1649344), (96, 1340092), (104, 1237008), (128, 1005069), (156, 824672), (192, 670046), (208, 618504), (312, 412336), (384, 335023), (416, 309252), (624, 206168), (832, 154626), (1248, 103084), (1664, 77313), (2496, 51542), (4992, 25771)]