391307856

素因数分解:

$2^4\times 3^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{2789}}^1$

素因数の和:2916

約数の個数: 80

約数和(自身を含む): 1051718400

約数和(自身を除く): 660410544

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 37, 48, 74, 79, 111, 148, 158, 222, 237, 296, 316, 444, 474, 592, 632, 888, 948, 1264, 1776, 1896, 2789, 2923, 3792, 5578, 5846, 8367, 8769, 11156, 11692, 16734, 17538, 22312, 23384, 33468, 35076, 44624, 46768, 66936, 70152, 103193, 133872, 140304, 206386, 220331, 309579, 412772, 440662, 619158, 660993, 825544, 881324, 1238316, 1321986, 1651088, 1762648, 2476632, 2643972, 3525296, 4953264, 5287944, 8152247, 10575888, 16304494, 24456741, 32608988, 48913482, 65217976, 97826964, 130435952, 195653928, 391307856]

約数ペア:

[(1, 391307856), (2, 195653928), (3, 130435952), (4, 97826964), (6, 65217976), (8, 48913482), (12, 32608988), (16, 24456741), (24, 16304494), (37, 10575888), (48, 8152247), (74, 5287944), (79, 4953264), (111, 3525296), (148, 2643972), (158, 2476632), (222, 1762648), (237, 1651088), (296, 1321986), (316, 1238316), (444, 881324), (474, 825544), (592, 660993), (632, 619158), (888, 440662), (948, 412772), (1264, 309579), (1776, 220331), (1896, 206386), (2789, 140304), (2923, 133872), (3792, 103193), (5578, 70152), (5846, 66936), (8367, 46768), (8769, 44624), (11156, 35076), (11692, 33468), (16734, 23384), (17538, 22312)]