219620492

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{19463}}^1$

素因数の和:19518

約数の個数: 48

約数和(自身を含む): 488312832

約数和(自身を除く): 268692340

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 31, 52, 62, 91, 124, 182, 217, 364, 403, 434, 806, 868, 1612, 2821, 5642, 11284, 19463, 38926, 77852, 136241, 253019, 272482, 506038, 544964, 603353, 1012076, 1206706, 1771133, 2413412, 3542266, 4223471, 7084532, 7843589, 8446942, 15687178, 16893884, 31374356, 54905123, 109810246, 219620492]

約数ペア:

[(1, 219620492), (2, 109810246), (4, 54905123), (7, 31374356), (13, 16893884), (14, 15687178), (26, 8446942), (28, 7843589), (31, 7084532), (52, 4223471), (62, 3542266), (91, 2413412), (124, 1771133), (182, 1206706), (217, 1012076), (364, 603353), (403, 544964), (434, 506038), (806, 272482), (868, 253019), (1612, 136241), (2821, 77852), (5642, 38926), (11284, 19463)]