81779984

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1153}}^1$

素因数の和:1216

約数の個数: 80

約数和(自身を含む): 192321024

約数和(自身を除く): 110541040

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 31, 44, 52, 62, 88, 104, 124, 143, 176, 208, 248, 286, 341, 403, 496, 572, 682, 806, 1144, 1153, 1364, 1612, 2288, 2306, 2728, 3224, 4433, 4612, 5456, 6448, 8866, 9224, 12683, 14989, 17732, 18448, 25366, 29978, 35464, 35743, 50732, 59956, 70928, 71486, 101464, 119912, 142972, 164879, 202928, 239824, 285944, 329758, 393173, 464659, 571888, 659516, 786346, 929318, 1319032, 1572692, 1858636, 2638064, 3145384, 3717272, 5111249, 6290768, 7434544, 10222498, 20444996, 40889992, 81779984]

約数ペア:

[(1, 81779984), (2, 40889992), (4, 20444996), (8, 10222498), (11, 7434544), (13, 6290768), (16, 5111249), (22, 3717272), (26, 3145384), (31, 2638064), (44, 1858636), (52, 1572692), (62, 1319032), (88, 929318), (104, 786346), (124, 659516), (143, 571888), (176, 464659), (208, 393173), (248, 329758), (286, 285944), (341, 239824), (403, 202928), (496, 164879), (572, 142972), (682, 119912), (806, 101464), (1144, 71486), (1153, 70928), (1364, 59956), (1612, 50732), (2288, 35743), (2306, 35464), (2728, 29978), (3224, 25366), (4433, 18448), (4612, 17732), (5456, 14989), (6448, 12683), (8866, 9224)]