168771808

素因数分解:

$2^5\times {\mathrm{79}}^1\times {\mathrm{101}}^1\times {\mathrm{661}}^1$

素因数の和:851

約数の個数: 48

約数和(自身を含む): 340320960

約数和(自身を除く): 171549152

約数列:

[1, 2, 4, 8, 16, 32, 79, 101, 158, 202, 316, 404, 632, 661, 808, 1264, 1322, 1616, 2528, 2644, 3232, 5288, 7979, 10576, 15958, 21152, 31916, 52219, 63832, 66761, 104438, 127664, 133522, 208876, 255328, 267044, 417752, 534088, 835504, 1068176, 1671008, 2136352, 5274119, 10548238, 21096476, 42192952, 84385904, 168771808]

約数ペア:

[(1, 168771808), (2, 84385904), (4, 42192952), (8, 21096476), (16, 10548238), (32, 5274119), (79, 2136352), (101, 1671008), (158, 1068176), (202, 835504), (316, 534088), (404, 417752), (632, 267044), (661, 255328), (808, 208876), (1264, 133522), (1322, 127664), (1616, 104438), (2528, 66761), (2644, 63832), (3232, 52219), (5288, 31916), (7979, 21152), (10576, 15958)]