72978448

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{3251}}^1$

素因数の和:3343

約数の個数: 40

約数和(自身を含む): 150008256

約数和(自身を除く): 77029808

約数列:

[1, 2, 4, 8, 16, 23, 46, 61, 92, 122, 184, 244, 368, 488, 976, 1403, 2806, 3251, 5612, 6502, 11224, 13004, 22448, 26008, 52016, 74773, 149546, 198311, 299092, 396622, 598184, 793244, 1196368, 1586488, 3172976, 4561153, 9122306, 18244612, 36489224, 72978448]

約数ペア:

[(1, 72978448), (2, 36489224), (4, 18244612), (8, 9122306), (16, 4561153), (23, 3172976), (46, 1586488), (61, 1196368), (92, 793244), (122, 598184), (184, 396622), (244, 299092), (368, 198311), (488, 149546), (976, 74773), (1403, 52016), (2806, 26008), (3251, 22448), (5612, 13004), (6502, 11224)]