201231628

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{137}}^1\times {\mathrm{601}}^1$

素因数の和:802

約数の個数: 48

約数和(自身を含む): 390789504

約数和(自身を除く): 189557876

約数列:

[1, 2, 4, 13, 26, 47, 52, 94, 137, 188, 274, 548, 601, 611, 1202, 1222, 1781, 2404, 2444, 3562, 6439, 7124, 7813, 12878, 15626, 25756, 28247, 31252, 56494, 82337, 83707, 112988, 164674, 167414, 329348, 334828, 367211, 734422, 1070381, 1468844, 2140762, 3869839, 4281524, 7739678, 15479356, 50307907, 100615814, 201231628]

約数ペア:

[(1, 201231628), (2, 100615814), (4, 50307907), (13, 15479356), (26, 7739678), (47, 4281524), (52, 3869839), (94, 2140762), (137, 1468844), (188, 1070381), (274, 734422), (548, 367211), (601, 334828), (611, 329348), (1202, 167414), (1222, 164674), (1781, 112988), (2404, 83707), (2444, 82337), (3562, 56494), (6439, 31252), (7124, 28247), (7813, 25756), (12878, 15626)]