219535408

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{149}}^1\times {\mathrm{1297}}^1$

素因数の和:1525

約数の個数: 40

約数和(自身を含む): 434570400

約数和(自身を除く): 215034992

約数列:

[1, 2, 4, 8, 16, 71, 142, 149, 284, 298, 568, 596, 1136, 1192, 1297, 2384, 2594, 5188, 10376, 10579, 20752, 21158, 42316, 84632, 92087, 169264, 184174, 193253, 368348, 386506, 736696, 773012, 1473392, 1546024, 3092048, 13720963, 27441926, 54883852, 109767704, 219535408]

約数ペア:

[(1, 219535408), (2, 109767704), (4, 54883852), (8, 27441926), (16, 13720963), (71, 3092048), (142, 1546024), (149, 1473392), (284, 773012), (298, 736696), (568, 386506), (596, 368348), (1136, 193253), (1192, 184174), (1297, 169264), (2384, 92087), (2594, 84632), (5188, 42316), (10376, 21158), (10579, 20752)]