159261025

素因数分解:

$5^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{223}}^1$

素因数の和:311

約数の個数: 72

約数和(自身を含む): 256483584

約数和(自身を除く): 97222559

約数列:

[1, 5, 7, 11, 25, 35, 49, 53, 55, 77, 175, 223, 245, 265, 275, 371, 385, 539, 583, 1115, 1225, 1325, 1561, 1855, 1925, 2453, 2597, 2695, 2915, 4081, 5575, 7805, 9275, 10927, 11819, 12265, 12985, 13475, 14575, 17171, 20405, 28567, 39025, 54635, 59095, 61325, 64925, 82733, 85855, 102025, 120197, 130009, 142835, 273175, 295475, 413665, 429275, 579131, 600985, 650045, 714175, 910063, 2068325, 2895655, 3004925, 3250225, 4550315, 6370441, 14478275, 22751575, 31852205, 159261025]

約数ペア:

[(1, 159261025), (5, 31852205), (7, 22751575), (11, 14478275), (25, 6370441), (35, 4550315), (49, 3250225), (53, 3004925), (55, 2895655), (77, 2068325), (175, 910063), (223, 714175), (245, 650045), (265, 600985), (275, 579131), (371, 429275), (385, 413665), (539, 295475), (583, 273175), (1115, 142835), (1225, 130009), (1325, 120197), (1561, 102025), (1855, 85855), (1925, 82733), (2453, 64925), (2597, 61325), (2695, 59095), (2915, 54635), (4081, 39025), (5575, 28567), (7805, 20405), (9275, 17171), (10927, 14575), (11819, 13475), (12265, 12985)]