128234128

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{42859}}^1$

素因数の和:42895

約数の個数: 40

約数和(自身を含む): 286990560

約数和(自身を除く): 158756432

約数列:

[1, 2, 4, 8, 11, 16, 17, 22, 34, 44, 68, 88, 136, 176, 187, 272, 374, 748, 1496, 2992, 42859, 85718, 171436, 342872, 471449, 685744, 728603, 942898, 1457206, 1885796, 2914412, 3771592, 5828824, 7543184, 8014633, 11657648, 16029266, 32058532, 64117064, 128234128]

約数ペア:

[(1, 128234128), (2, 64117064), (4, 32058532), (8, 16029266), (11, 11657648), (16, 8014633), (17, 7543184), (22, 5828824), (34, 3771592), (44, 2914412), (68, 1885796), (88, 1457206), (136, 942898), (176, 728603), (187, 685744), (272, 471449), (374, 342872), (748, 171436), (1496, 85718), (2992, 42859)]