1284396904

素因数分解:

$2^3\times 7^1\times {\mathrm{157}}^1\times {\mathrm{347}}^1\times {\mathrm{421}}^1$

素因数の和:938

約数の個数: 64

約数和(自身を含む): 2784389760

約数和(自身を除く): 1499992856

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 157, 314, 347, 421, 628, 694, 842, 1099, 1256, 1388, 1684, 2198, 2429, 2776, 2947, 3368, 4396, 4858, 5894, 8792, 9716, 11788, 19432, 23576, 54479, 66097, 108958, 132194, 146087, 217916, 264388, 292174, 381353, 435832, 462679, 528776, 584348, 762706, 925358, 1022609, 1168696, 1525412, 1850716, 2045218, 3050824, 3701432, 4090436, 8180872, 22935659, 45871318, 91742636, 160549613, 183485272, 321099226, 642198452, 1284396904]

約数ペア:

[(1, 1284396904), (2, 642198452), (4, 321099226), (7, 183485272), (8, 160549613), (14, 91742636), (28, 45871318), (56, 22935659), (157, 8180872), (314, 4090436), (347, 3701432), (421, 3050824), (628, 2045218), (694, 1850716), (842, 1525412), (1099, 1168696), (1256, 1022609), (1388, 925358), (1684, 762706), (2198, 584348), (2429, 528776), (2776, 462679), (2947, 435832), (3368, 381353), (4396, 292174), (4858, 264388), (5894, 217916), (8792, 146087), (9716, 132194), (11788, 108958), (19432, 66097), (23576, 54479)]