890686542

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{212981}}^1$

素因数の和:213044

約数の個数: 32

約数和(自身を含む): 1932172704

約数和(自身を除く): 1041486162

約数列:

[1, 2, 3, 6, 17, 34, 41, 51, 82, 102, 123, 246, 697, 1394, 2091, 4182, 212981, 425962, 638943, 1277886, 3620677, 7241354, 8732221, 10862031, 17464442, 21724062, 26196663, 52393326, 148447757, 296895514, 445343271, 890686542]

約数ペア:

[(1, 890686542), (2, 445343271), (3, 296895514), (6, 148447757), (17, 52393326), (34, 26196663), (41, 21724062), (51, 17464442), (82, 10862031), (102, 8732221), (123, 7241354), (246, 3620677), (697, 1277886), (1394, 638943), (2091, 425962), (4182, 212981)]