215685996

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^2\times {\mathrm{61}}^1\times {\mathrm{557}}^1$

素因数の和:671

約数の個数: 72

約数和(自身を含む): 535684464

約数和(自身を除く): 319998468

約数列:

[1, 2, 3, 4, 6, 12, 23, 46, 61, 69, 92, 122, 138, 183, 244, 276, 366, 529, 557, 732, 1058, 1114, 1403, 1587, 1671, 2116, 2228, 2806, 3174, 3342, 4209, 5612, 6348, 6684, 8418, 12811, 16836, 25622, 32269, 33977, 38433, 51244, 64538, 67954, 76866, 96807, 101931, 129076, 135908, 153732, 193614, 203862, 294653, 387228, 407724, 589306, 781471, 883959, 1178612, 1562942, 1767918, 2344413, 3125884, 3535836, 4688826, 9377652, 17973833, 35947666, 53921499, 71895332, 107842998, 215685996]

約数ペア:

[(1, 215685996), (2, 107842998), (3, 71895332), (4, 53921499), (6, 35947666), (12, 17973833), (23, 9377652), (46, 4688826), (61, 3535836), (69, 3125884), (92, 2344413), (122, 1767918), (138, 1562942), (183, 1178612), (244, 883959), (276, 781471), (366, 589306), (529, 407724), (557, 387228), (732, 294653), (1058, 203862), (1114, 193614), (1403, 153732), (1587, 135908), (1671, 129076), (2116, 101931), (2228, 96807), (2806, 76866), (3174, 67954), (3342, 64538), (4209, 51244), (5612, 38433), (6348, 33977), (6684, 32269), (8418, 25622), (12811, 16836)]