31440084

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{419}}^1$

素因数の和:489

約数の個数: 72

約数和(自身を含む): 81779040

約数和(自身を除く): 50338956

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 37, 39, 52, 74, 78, 111, 148, 156, 169, 222, 338, 419, 444, 481, 507, 676, 838, 962, 1014, 1257, 1443, 1676, 1924, 2028, 2514, 2886, 5028, 5447, 5772, 6253, 10894, 12506, 15503, 16341, 18759, 21788, 25012, 31006, 32682, 37518, 46509, 62012, 65364, 70811, 75036, 93018, 141622, 186036, 201539, 212433, 283244, 403078, 424866, 604617, 806156, 849732, 1209234, 2418468, 2620007, 5240014, 7860021, 10480028, 15720042, 31440084]

約数ペア:

[(1, 31440084), (2, 15720042), (3, 10480028), (4, 7860021), (6, 5240014), (12, 2620007), (13, 2418468), (26, 1209234), (37, 849732), (39, 806156), (52, 604617), (74, 424866), (78, 403078), (111, 283244), (148, 212433), (156, 201539), (169, 186036), (222, 141622), (338, 93018), (419, 75036), (444, 70811), (481, 65364), (507, 62012), (676, 46509), (838, 37518), (962, 32682), (1014, 31006), (1257, 25012), (1443, 21788), (1676, 18759), (1924, 16341), (2028, 15503), (2514, 12506), (2886, 10894), (5028, 6253), (5447, 5772)]