161604736

素因数分解:

$2^7\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{293}}^1$

素因数の和:477

約数の個数: 64

約数和(自身を含む): 335865600

約数和(自身を除く): 174260864

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 139, 248, 278, 293, 496, 556, 586, 992, 1112, 1172, 1984, 2224, 2344, 3968, 4309, 4448, 4688, 8618, 8896, 9083, 9376, 17236, 17792, 18166, 18752, 34472, 36332, 37504, 40727, 68944, 72664, 81454, 137888, 145328, 162908, 275776, 290656, 325816, 551552, 581312, 651632, 1162624, 1262537, 1303264, 2525074, 2606528, 5050148, 5213056, 10100296, 20200592, 40401184, 80802368, 161604736]

約数ペア:

[(1, 161604736), (2, 80802368), (4, 40401184), (8, 20200592), (16, 10100296), (31, 5213056), (32, 5050148), (62, 2606528), (64, 2525074), (124, 1303264), (128, 1262537), (139, 1162624), (248, 651632), (278, 581312), (293, 551552), (496, 325816), (556, 290656), (586, 275776), (992, 162908), (1112, 145328), (1172, 137888), (1984, 81454), (2224, 72664), (2344, 68944), (3968, 40727), (4309, 37504), (4448, 36332), (4688, 34472), (8618, 18752), (8896, 18166), (9083, 17792), (9376, 17236)]