81809868

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{353}}^1$

素因数の和:487

約数の個数: 96

約数和(自身を含む): 228372480

約数和(自身を除く): 146562612

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 31, 42, 62, 84, 89, 93, 124, 178, 186, 217, 267, 353, 356, 372, 434, 534, 623, 651, 706, 868, 1059, 1068, 1246, 1302, 1412, 1869, 2118, 2471, 2492, 2604, 2759, 3738, 4236, 4942, 5518, 7413, 7476, 8277, 9884, 10943, 11036, 14826, 16554, 19313, 21886, 29652, 31417, 32829, 33108, 38626, 43772, 57939, 62834, 65658, 76601, 77252, 94251, 115878, 125668, 131316, 153202, 188502, 219919, 229803, 231756, 306404, 377004, 439838, 459606, 659757, 879676, 919212, 973927, 1319514, 1947854, 2639028, 2921781, 3895708, 5843562, 6817489, 11687124, 13634978, 20452467, 27269956, 40904934, 81809868]

約数ペア:

[(1, 81809868), (2, 40904934), (3, 27269956), (4, 20452467), (6, 13634978), (7, 11687124), (12, 6817489), (14, 5843562), (21, 3895708), (28, 2921781), (31, 2639028), (42, 1947854), (62, 1319514), (84, 973927), (89, 919212), (93, 879676), (124, 659757), (178, 459606), (186, 439838), (217, 377004), (267, 306404), (353, 231756), (356, 229803), (372, 219919), (434, 188502), (534, 153202), (623, 131316), (651, 125668), (706, 115878), (868, 94251), (1059, 77252), (1068, 76601), (1246, 65658), (1302, 62834), (1412, 57939), (1869, 43772), (2118, 38626), (2471, 33108), (2492, 32829), (2604, 31417), (2759, 29652), (3738, 21886), (4236, 19313), (4942, 16554), (5518, 14826), (7413, 11036), (7476, 10943), (8277, 9884)]