81407288

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{7577}}^1$

素因数の和:7679

約数の個数: 32

約数和(自身を含む): 163684800

約数和(自身を除く): 82277512

約数列:

[1, 2, 4, 8, 17, 34, 68, 79, 136, 158, 316, 632, 1343, 2686, 5372, 7577, 10744, 15154, 30308, 60616, 128809, 257618, 515236, 598583, 1030472, 1197166, 2394332, 4788664, 10175911, 20351822, 40703644, 81407288]

約数ペア:

[(1, 81407288), (2, 40703644), (4, 20351822), (8, 10175911), (17, 4788664), (34, 2394332), (68, 1197166), (79, 1030472), (136, 598583), (158, 515236), (316, 257618), (632, 128809), (1343, 60616), (2686, 30308), (5372, 15154), (7577, 10744)]