85128784

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{4931}}^1$

素因数の和:5035

約数の個数: 40

約数和(自身を含む): 179800992

約数和(自身を除く): 94672208

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 83, 104, 166, 208, 332, 664, 1079, 1328, 2158, 4316, 4931, 8632, 9862, 17264, 19724, 39448, 64103, 78896, 128206, 256412, 409273, 512824, 818546, 1025648, 1637092, 3274184, 5320549, 6548368, 10641098, 21282196, 42564392, 85128784]

約数ペア:

[(1, 85128784), (2, 42564392), (4, 21282196), (8, 10641098), (13, 6548368), (16, 5320549), (26, 3274184), (52, 1637092), (83, 1025648), (104, 818546), (166, 512824), (208, 409273), (332, 256412), (664, 128206), (1079, 78896), (1328, 64103), (2158, 39448), (4316, 19724), (4931, 17264), (8632, 9862)]