163836985

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{127}}^1\times {\mathrm{223}}^1$

素因数の和:457

約数の個数: 32

約数和(自身を含む): 216760320

約数和(自身を除く): 52923335

約数列:

[1, 5, 13, 65, 89, 127, 223, 445, 635, 1115, 1157, 1651, 2899, 5785, 8255, 11303, 14495, 19847, 28321, 56515, 99235, 141605, 146939, 258011, 368173, 734695, 1290055, 1840865, 2520569, 12602845, 32767397, 163836985]

約数ペア:

[(1, 163836985), (5, 32767397), (13, 12602845), (65, 2520569), (89, 1840865), (127, 1290055), (223, 734695), (445, 368173), (635, 258011), (1115, 146939), (1157, 141605), (1651, 99235), (2899, 56515), (5785, 28321), (8255, 19847), (11303, 14495)]