397974512

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{673}}^1\times {\mathrm{2843}}^1$

素因数の和:3537

約数の個数: 40

約数和(自身を含む): 831915504

約数和(自身を除く): 433940992

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 673, 1346, 2692, 2843, 5384, 5686, 8749, 10768, 11372, 17498, 22744, 34996, 36959, 45488, 69992, 73918, 139984, 147836, 295672, 591344, 1913339, 3826678, 7653356, 15306712, 24873407, 30613424, 49746814, 99493628, 198987256, 397974512]

約数ペア:

[(1, 397974512), (2, 198987256), (4, 99493628), (8, 49746814), (13, 30613424), (16, 24873407), (26, 15306712), (52, 7653356), (104, 3826678), (208, 1913339), (673, 591344), (1346, 295672), (2692, 147836), (2843, 139984), (5384, 73918), (5686, 69992), (8749, 45488), (10768, 36959), (11372, 34996), (17498, 22744)]