161939856

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^2\times {\mathrm{19963}}^1$

素因数の和:20000

約数の個数: 60

約数和(自身を含む): 453023088

約数和(自身を除く): 291083232

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 169, 208, 312, 338, 507, 624, 676, 1014, 1352, 2028, 2704, 4056, 8112, 19963, 39926, 59889, 79852, 119778, 159704, 239556, 259519, 319408, 479112, 519038, 778557, 958224, 1038076, 1557114, 2076152, 3114228, 3373747, 4152304, 6228456, 6747494, 10121241, 12456912, 13494988, 20242482, 26989976, 40484964, 53979952, 80969928, 161939856]

約数ペア:

[(1, 161939856), (2, 80969928), (3, 53979952), (4, 40484964), (6, 26989976), (8, 20242482), (12, 13494988), (13, 12456912), (16, 10121241), (24, 6747494), (26, 6228456), (39, 4152304), (48, 3373747), (52, 3114228), (78, 2076152), (104, 1557114), (156, 1038076), (169, 958224), (208, 778557), (312, 519038), (338, 479112), (507, 319408), (624, 259519), (676, 239556), (1014, 159704), (1352, 119778), (2028, 79852), (2704, 59889), (4056, 39926), (8112, 19963)]