15706401990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{137}}^1\times {\mathrm{39397}}^1$

素因数の和:39641

約数の個数: 64

約数和(自身を含む): 38362935744

約数和(自身を除く): 22656533754

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 97, 137, 194, 274, 291, 411, 485, 582, 685, 822, 970, 1370, 1455, 2055, 2910, 4110, 13289, 26578, 39397, 39867, 66445, 78794, 79734, 118191, 132890, 196985, 199335, 236382, 393970, 398670, 590955, 1181910, 3821509, 5397389, 7643018, 10794778, 11464527, 16192167, 19107545, 22929054, 26986945, 32384334, 38215090, 53973890, 57322635, 80960835, 114645270, 161921670, 523546733, 1047093466, 1570640199, 2617733665, 3141280398, 5235467330, 7853200995, 15706401990]

約数ペア:

[(1, 15706401990), (2, 7853200995), (3, 5235467330), (5, 3141280398), (6, 2617733665), (10, 1570640199), (15, 1047093466), (30, 523546733), (97, 161921670), (137, 114645270), (194, 80960835), (274, 57322635), (291, 53973890), (411, 38215090), (485, 32384334), (582, 26986945), (685, 22929054), (822, 19107545), (970, 16192167), (1370, 11464527), (1455, 10794778), (2055, 7643018), (2910, 5397389), (4110, 3821509), (13289, 1181910), (26578, 590955), (39397, 398670), (39867, 393970), (66445, 236382), (78794, 199335), (79734, 196985), (118191, 132890)]