399454032

素因数分解:

$2^4\times 3^1\times {\mathrm{17}}^1\times {\mathrm{491}}^1\times {\mathrm{997}}^1$

素因数の和:1516

約数の個数: 80

約数和(自身を含む): 1095947712

約数和(自身を除く): 696493680

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 34, 48, 51, 68, 102, 136, 204, 272, 408, 491, 816, 982, 997, 1473, 1964, 1994, 2946, 2991, 3928, 3988, 5892, 5982, 7856, 7976, 8347, 11784, 11964, 15952, 16694, 16949, 23568, 23928, 25041, 33388, 33898, 47856, 50082, 50847, 66776, 67796, 100164, 101694, 133552, 135592, 200328, 203388, 271184, 400656, 406776, 489527, 813552, 979054, 1468581, 1958108, 2937162, 3916216, 5874324, 7832432, 8321959, 11748648, 16643918, 23497296, 24965877, 33287836, 49931754, 66575672, 99863508, 133151344, 199727016, 399454032]

約数ペア:

[(1, 399454032), (2, 199727016), (3, 133151344), (4, 99863508), (6, 66575672), (8, 49931754), (12, 33287836), (16, 24965877), (17, 23497296), (24, 16643918), (34, 11748648), (48, 8321959), (51, 7832432), (68, 5874324), (102, 3916216), (136, 2937162), (204, 1958108), (272, 1468581), (408, 979054), (491, 813552), (816, 489527), (982, 406776), (997, 400656), (1473, 271184), (1964, 203388), (1994, 200328), (2946, 135592), (2991, 133552), (3928, 101694), (3988, 100164), (5892, 67796), (5982, 66776), (7856, 50847), (7976, 50082), (8347, 47856), (11784, 33898), (11964, 33388), (15952, 25041), (16694, 23928), (16949, 23568)]