238667910

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{611969}}^1$

素因数の和:611992

約数の個数: 32

約数和(自身を含む): 616865760

約数和(自身を除く): 378197850

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 611969, 1223938, 1835907, 3059845, 3671814, 6119690, 7955597, 9179535, 15911194, 18359070, 23866791, 39777985, 47733582, 79555970, 119333955, 238667910]

約数ペア:

[(1, 238667910), (2, 119333955), (3, 79555970), (5, 47733582), (6, 39777985), (10, 23866791), (13, 18359070), (15, 15911194), (26, 9179535), (30, 7955597), (39, 6119690), (65, 3671814), (78, 3059845), (130, 1835907), (195, 1223938), (390, 611969)]