78689910

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{201769}}^1$

素因数の和:201792

約数の個数: 32

約数和(自身を含む): 203384160

約数和(自身を除く): 124694250

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 201769, 403538, 605307, 1008845, 1210614, 2017690, 2622997, 3026535, 5245994, 6053070, 7868991, 13114985, 15737982, 26229970, 39344955, 78689910]

約数ペア:

[(1, 78689910), (2, 39344955), (3, 26229970), (5, 15737982), (6, 13114985), (10, 7868991), (13, 6053070), (15, 5245994), (26, 3026535), (30, 2622997), (39, 2017690), (65, 1210614), (78, 1008845), (130, 605307), (195, 403538), (390, 201769)]