31053815

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{179}}^1$

素因数の和:371

約数の個数: 32

約数和(自身を含む): 43001280

約数和(自身を除く): 11947465

約数列:

[1, 5, 13, 17, 65, 85, 157, 179, 221, 785, 895, 1105, 2041, 2327, 2669, 3043, 10205, 11635, 13345, 15215, 28103, 34697, 39559, 140515, 173485, 197795, 365339, 477751, 1826695, 2388755, 6210763, 31053815]

約数ペア:

[(1, 31053815), (5, 6210763), (13, 2388755), (17, 1826695), (65, 477751), (85, 365339), (157, 197795), (179, 173485), (221, 140515), (785, 39559), (895, 34697), (1105, 28103), (2041, 15215), (2327, 13345), (2669, 11635), (3043, 10205)]