28890468

素因数分解:

$2^2\times 3^2\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{127}}^1$

素因数の和:297

約数の個数: 72

約数和(自身を含む): 75479040

約数和(自身を除く): 46588572

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 71, 89, 127, 142, 178, 213, 254, 267, 284, 356, 381, 426, 508, 534, 639, 762, 801, 852, 1068, 1143, 1278, 1524, 1602, 2286, 2556, 3204, 4572, 6319, 9017, 11303, 12638, 18034, 18957, 22606, 25276, 27051, 33909, 36068, 37914, 45212, 54102, 56871, 67818, 75828, 81153, 101727, 108204, 113742, 135636, 162306, 203454, 227484, 324612, 406908, 802513, 1605026, 2407539, 3210052, 4815078, 7222617, 9630156, 14445234, 28890468]

約数ペア:

[(1, 28890468), (2, 14445234), (3, 9630156), (4, 7222617), (6, 4815078), (9, 3210052), (12, 2407539), (18, 1605026), (36, 802513), (71, 406908), (89, 324612), (127, 227484), (142, 203454), (178, 162306), (213, 135636), (254, 113742), (267, 108204), (284, 101727), (356, 81153), (381, 75828), (426, 67818), (508, 56871), (534, 54102), (639, 45212), (762, 37914), (801, 36068), (852, 33909), (1068, 27051), (1143, 25276), (1278, 22606), (1524, 18957), (1602, 18034), (2286, 12638), (2556, 11303), (3204, 9017), (4572, 6319)]