78217984

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1237}}^1$

素因数の和:1285

約数の個数: 72

約数和(自身を含む): 177133040

約数和(自身を除く): 98915056

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 32, 38, 52, 64, 76, 104, 128, 152, 208, 247, 256, 304, 416, 494, 608, 832, 988, 1216, 1237, 1664, 1976, 2432, 2474, 3328, 3952, 4864, 4948, 7904, 9896, 15808, 16081, 19792, 23503, 31616, 32162, 39584, 47006, 63232, 64324, 79168, 94012, 128648, 158336, 188024, 257296, 305539, 316672, 376048, 514592, 611078, 752096, 1029184, 1222156, 1504192, 2058368, 2444312, 3008384, 4116736, 4888624, 6016768, 9777248, 19554496, 39108992, 78217984]

約数ペア:

[(1, 78217984), (2, 39108992), (4, 19554496), (8, 9777248), (13, 6016768), (16, 4888624), (19, 4116736), (26, 3008384), (32, 2444312), (38, 2058368), (52, 1504192), (64, 1222156), (76, 1029184), (104, 752096), (128, 611078), (152, 514592), (208, 376048), (247, 316672), (256, 305539), (304, 257296), (416, 188024), (494, 158336), (608, 128648), (832, 94012), (988, 79168), (1216, 64324), (1237, 63232), (1664, 47006), (1976, 39584), (2432, 32162), (2474, 31616), (3328, 23503), (3952, 19792), (4864, 16081), (4948, 15808), (7904, 9896)]