1991304

素因数分解:

$2^3\times 3^4\times 7^1\times {\mathrm{439}}^1$

素因数の和:464

約数の個数: 80

約数和(自身を含む): 6388800

約数和(自身を除く): 4397496

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 36, 42, 54, 56, 63, 72, 81, 84, 108, 126, 162, 168, 189, 216, 252, 324, 378, 439, 504, 567, 648, 756, 878, 1134, 1317, 1512, 1756, 2268, 2634, 3073, 3512, 3951, 4536, 5268, 6146, 7902, 9219, 10536, 11853, 12292, 15804, 18438, 23706, 24584, 27657, 31608, 35559, 36876, 47412, 55314, 71118, 73752, 82971, 94824, 110628, 142236, 165942, 221256, 248913, 284472, 331884, 497826, 663768, 995652, 1991304]

約数ペア:

[(1, 1991304), (2, 995652), (3, 663768), (4, 497826), (6, 331884), (7, 284472), (8, 248913), (9, 221256), (12, 165942), (14, 142236), (18, 110628), (21, 94824), (24, 82971), (27, 73752), (28, 71118), (36, 55314), (42, 47412), (54, 36876), (56, 35559), (63, 31608), (72, 27657), (81, 24584), (84, 23706), (108, 18438), (126, 15804), (162, 12292), (168, 11853), (189, 10536), (216, 9219), (252, 7902), (324, 6146), (378, 5268), (439, 4536), (504, 3951), (567, 3512), (648, 3073), (756, 2634), (878, 2268), (1134, 1756), (1317, 1512)]