81805308

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{4003}}^1$

素因数の和:4154

約数の個数: 48

約数和(自身を含む): 207182976

約数和(自身を除く): 125377668

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 131, 156, 262, 393, 524, 786, 1572, 1703, 3406, 4003, 5109, 6812, 8006, 10218, 12009, 16012, 20436, 24018, 48036, 52039, 104078, 156117, 208156, 312234, 524393, 624468, 1048786, 1573179, 2097572, 3146358, 6292716, 6817109, 13634218, 20451327, 27268436, 40902654, 81805308]

約数ペア:

[(1, 81805308), (2, 40902654), (3, 27268436), (4, 20451327), (6, 13634218), (12, 6817109), (13, 6292716), (26, 3146358), (39, 2097572), (52, 1573179), (78, 1048786), (131, 624468), (156, 524393), (262, 312234), (393, 208156), (524, 156117), (786, 104078), (1572, 52039), (1703, 48036), (3406, 24018), (4003, 20436), (5109, 16012), (6812, 12009), (8006, 10218)]