28205121035

素因数分解:

$5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{167087}}^1$

素因数の和:167172

約数の個数: 48

約数和(自身を含む): 43200936576

約数和(自身を除く): 14995815541

約数列:

[1, 5, 7, 13, 35, 49, 53, 65, 91, 245, 265, 371, 455, 637, 689, 1855, 2597, 3185, 3445, 4823, 12985, 24115, 33761, 167087, 168805, 835435, 1169609, 2172131, 5848045, 8187263, 8855611, 10860655, 15204917, 40936315, 44278055, 61989277, 76024585, 106434419, 115122943, 309946385, 433924939, 532172095, 575614715, 805860601, 2169624695, 4029303005, 5641024207, 28205121035]

約数ペア:

[(1, 28205121035), (5, 5641024207), (7, 4029303005), (13, 2169624695), (35, 805860601), (49, 575614715), (53, 532172095), (65, 433924939), (91, 309946385), (245, 115122943), (265, 106434419), (371, 76024585), (455, 61989277), (637, 44278055), (689, 40936315), (1855, 15204917), (2597, 10860655), (3185, 8855611), (3445, 8187263), (4823, 5848045), (12985, 2172131), (24115, 1169609), (33761, 835435), (167087, 168805)]