72821008

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{4931}}^1$

素因数の和:5023

約数の個数: 40

約数和(自身を含む): 154115136

約数和(自身を除く): 81294128

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 71, 104, 142, 208, 284, 568, 923, 1136, 1846, 3692, 4931, 7384, 9862, 14768, 19724, 39448, 64103, 78896, 128206, 256412, 350101, 512824, 700202, 1025648, 1400404, 2800808, 4551313, 5601616, 9102626, 18205252, 36410504, 72821008]

約数ペア:

[(1, 72821008), (2, 36410504), (4, 18205252), (8, 9102626), (13, 5601616), (16, 4551313), (26, 2800808), (52, 1400404), (71, 1025648), (104, 700202), (142, 512824), (208, 350101), (284, 256412), (568, 128206), (923, 78896), (1136, 64103), (1846, 39448), (3692, 19724), (4931, 14768), (7384, 9862)]