388882910

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{96497}}^1$

素因数の和:96548

約数の個数: 32

約数和(自身を含む): 778159872

約数和(自身を除く): 389276962

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 4030, 96497, 192994, 482485, 964970, 1254461, 2508922, 2991407, 5982814, 6272305, 12544610, 14957035, 29914070, 38888291, 77776582, 194441455, 388882910]

約数ペア:

[(1, 388882910), (2, 194441455), (5, 77776582), (10, 38888291), (13, 29914070), (26, 14957035), (31, 12544610), (62, 6272305), (65, 5982814), (130, 2991407), (155, 2508922), (310, 1254461), (403, 964970), (806, 482485), (2015, 192994), (4030, 96497)]