290717284

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{419}}^1\times {\mathrm{1213}}^1$

素因数の和:1660

約数の個数: 48

約数和(自身を含む): 599618880

約数和(自身を除く): 308901596

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 143, 286, 419, 572, 838, 1213, 1676, 2426, 4609, 4852, 5447, 9218, 10894, 13343, 15769, 18436, 21788, 26686, 31538, 53372, 59917, 63076, 119834, 173459, 239668, 346918, 508247, 693836, 1016494, 2032988, 5590717, 6607211, 11181434, 13214422, 22362868, 26428844, 72679321, 145358642, 290717284]

約数ペア:

[(1, 290717284), (2, 145358642), (4, 72679321), (11, 26428844), (13, 22362868), (22, 13214422), (26, 11181434), (44, 6607211), (52, 5590717), (143, 2032988), (286, 1016494), (419, 693836), (572, 508247), (838, 346918), (1213, 239668), (1676, 173459), (2426, 119834), (4609, 63076), (4852, 59917), (5447, 53372), (9218, 31538), (10894, 26686), (13343, 21788), (15769, 18436)]