666444

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1$

素因数の和:142

約数の個数: 48

約数和(自身を含む): 1702400

約数和(自身を除く): 1035956

約数列:

[1, 2, 3, 4, 6, 12, 19, 37, 38, 57, 74, 76, 79, 111, 114, 148, 158, 222, 228, 237, 316, 444, 474, 703, 948, 1406, 1501, 2109, 2812, 2923, 3002, 4218, 4503, 5846, 6004, 8436, 8769, 9006, 11692, 17538, 18012, 35076, 55537, 111074, 166611, 222148, 333222, 666444]

約数ペア:

[(1, 666444), (2, 333222), (3, 222148), (4, 166611), (6, 111074), (12, 55537), (19, 35076), (37, 18012), (38, 17538), (57, 11692), (74, 9006), (76, 8769), (79, 8436), (111, 6004), (114, 5846), (148, 4503), (158, 4218), (222, 3002), (228, 2923), (237, 2812), (316, 2109), (444, 1501), (474, 1406), (703, 948)]