78620464

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{137}}^1$

素因数の和:278

約数の個数: 80

約数和(自身を含む): 172488960

約数和(自身を除く): 93868496

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 89, 104, 124, 137, 178, 208, 248, 274, 356, 403, 496, 548, 712, 806, 1096, 1157, 1424, 1612, 1781, 2192, 2314, 2759, 3224, 3562, 4247, 4628, 5518, 6448, 7124, 8494, 9256, 11036, 12193, 14248, 16988, 18512, 22072, 24386, 28496, 33976, 35867, 44144, 48772, 55211, 67952, 71734, 97544, 110422, 143468, 158509, 195088, 220844, 286936, 317018, 377983, 441688, 573872, 634036, 755966, 883376, 1268072, 1511932, 2536144, 3023864, 4913779, 6047728, 9827558, 19655116, 39310232, 78620464]

約数ペア:

[(1, 78620464), (2, 39310232), (4, 19655116), (8, 9827558), (13, 6047728), (16, 4913779), (26, 3023864), (31, 2536144), (52, 1511932), (62, 1268072), (89, 883376), (104, 755966), (124, 634036), (137, 573872), (178, 441688), (208, 377983), (248, 317018), (274, 286936), (356, 220844), (403, 195088), (496, 158509), (548, 143468), (712, 110422), (806, 97544), (1096, 71734), (1157, 67952), (1424, 55211), (1612, 48772), (1781, 44144), (2192, 35867), (2314, 33976), (2759, 28496), (3224, 24386), (3562, 22072), (4247, 18512), (4628, 16988), (5518, 14248), (6448, 12193), (7124, 11036), (8494, 9256)]