1388404764

素因数分解:

$2^2\times 3^2\times {\mathrm{269}}^1\times {\mathrm{311}}^1\times {\mathrm{461}}^1$

素因数の和:1051

約数の個数: 72

約数和(自身を含む): 3541618080

約数和(自身を除く): 2153213316

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 269, 311, 461, 538, 622, 807, 922, 933, 1076, 1244, 1383, 1614, 1844, 1866, 2421, 2766, 2799, 3228, 3732, 4149, 4842, 5532, 5598, 8298, 9684, 11196, 16596, 83659, 124009, 143371, 167318, 248018, 250977, 286742, 334636, 372027, 430113, 496036, 501954, 573484, 744054, 752931, 860226, 1003908, 1116081, 1290339, 1488108, 1505862, 1720452, 2232162, 2580678, 3011724, 4464324, 5161356, 38566799, 77133598, 115700397, 154267196, 231400794, 347101191, 462801588, 694202382, 1388404764]

約数ペア:

[(1, 1388404764), (2, 694202382), (3, 462801588), (4, 347101191), (6, 231400794), (9, 154267196), (12, 115700397), (18, 77133598), (36, 38566799), (269, 5161356), (311, 4464324), (461, 3011724), (538, 2580678), (622, 2232162), (807, 1720452), (922, 1505862), (933, 1488108), (1076, 1290339), (1244, 1116081), (1383, 1003908), (1614, 860226), (1844, 752931), (1866, 744054), (2421, 573484), (2766, 501954), (2799, 496036), (3228, 430113), (3732, 372027), (4149, 334636), (4842, 286742), (5532, 250977), (5598, 248018), (8298, 167318), (9684, 143371), (11196, 124009), (16596, 83659)]