197999712

素因数分解:

$2^5\times 3^2\times {\mathrm{687499}}^1$

素因数の和:687515

約数の個数: 36

約数和(自身を含む): 563062500

約数和(自身を除く): 365062788

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 288, 687499, 1374998, 2062497, 2749996, 4124994, 5499992, 6187491, 8249988, 10999984, 12374982, 16499976, 21999968, 24749964, 32999952, 49499928, 65999904, 98999856, 197999712]

約数ペア:

[(1, 197999712), (2, 98999856), (3, 65999904), (4, 49499928), (6, 32999952), (8, 24749964), (9, 21999968), (12, 16499976), (16, 12374982), (18, 10999984), (24, 8249988), (32, 6187491), (36, 5499992), (48, 4124994), (72, 2749996), (96, 2062497), (144, 1374998), (288, 687499)]