651674816

素因数分解:

$2^6\times {\mathrm{13}}^2\times {\mathrm{60251}}^1$

素因数の和:60289

約数の個数: 42

約数和(自身を含む): 1400316732

約数和(自身を除く): 748641916

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 169, 208, 338, 416, 676, 832, 1352, 2704, 5408, 10816, 60251, 120502, 241004, 482008, 783263, 964016, 1566526, 1928032, 3133052, 3856064, 6266104, 10182419, 12532208, 20364838, 25064416, 40729676, 50128832, 81459352, 162918704, 325837408, 651674816]

約数ペア:

[(1, 651674816), (2, 325837408), (4, 162918704), (8, 81459352), (13, 50128832), (16, 40729676), (26, 25064416), (32, 20364838), (52, 12532208), (64, 10182419), (104, 6266104), (169, 3856064), (208, 3133052), (338, 1928032), (416, 1566526), (676, 964016), (832, 783263), (1352, 482008), (2704, 241004), (5408, 120502), (10816, 60251)]