388565970

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{996323}}^1$

素因数の和:996346

約数の個数: 32

約数和(自身を含む): 1004294592

約数和(自身を除く): 615728622

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 996323, 1992646, 2988969, 4981615, 5977938, 9963230, 12952199, 14944845, 25904398, 29889690, 38856597, 64760995, 77713194, 129521990, 194282985, 388565970]

約数ペア:

[(1, 388565970), (2, 194282985), (3, 129521990), (5, 77713194), (6, 64760995), (10, 38856597), (13, 29889690), (15, 25904398), (26, 14944845), (30, 12952199), (39, 9963230), (65, 5977938), (78, 4981615), (130, 2988969), (195, 1992646), (390, 996323)]