72663647

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{197}}^1$

素因数の和:335

約数の個数: 32

約数和(自身を含む): 91238400

約数和(自身を除く): 18574753

約数列:

[1, 7, 23, 29, 79, 161, 197, 203, 553, 667, 1379, 1817, 2291, 4531, 4669, 5713, 12719, 15563, 16037, 31717, 39991, 52693, 108941, 131399, 357949, 368851, 451327, 919793, 2505643, 3159289, 10380521, 72663647]

約数ペア:

[(1, 72663647), (7, 10380521), (23, 3159289), (29, 2505643), (79, 919793), (161, 451327), (197, 368851), (203, 357949), (553, 131399), (667, 108941), (1379, 52693), (1817, 39991), (2291, 31717), (4531, 16037), (4669, 15563), (5713, 12719)]