78897884

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{599}}^1$

素因数の和:782

約数の個数: 48

約数和(自身を含む): 158760000

約数和(自身を除く): 79862116

約数列:

[1, 2, 4, 13, 17, 26, 34, 52, 68, 149, 221, 298, 442, 596, 599, 884, 1198, 1937, 2396, 2533, 3874, 5066, 7748, 7787, 10132, 10183, 15574, 20366, 31148, 32929, 40732, 65858, 89251, 131716, 132379, 178502, 264758, 357004, 529516, 1160263, 1517267, 2320526, 3034534, 4641052, 6069068, 19724471, 39448942, 78897884]

約数ペア:

[(1, 78897884), (2, 39448942), (4, 19724471), (13, 6069068), (17, 4641052), (26, 3034534), (34, 2320526), (52, 1517267), (68, 1160263), (149, 529516), (221, 357004), (298, 264758), (442, 178502), (596, 132379), (599, 131716), (884, 89251), (1198, 65858), (1937, 40732), (2396, 32929), (2533, 31148), (3874, 20366), (5066, 15574), (7748, 10183), (7787, 10132)]