31881585006

素因数分解:

$2^1\times 3^2\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{688379}}^1$

素因数の和:688501

約数の個数: 48

約数和(自身を含む): 72164252160

約数和(自身を除く): 40282667154

約数列:

[1, 2, 3, 6, 9, 18, 31, 62, 83, 93, 166, 186, 249, 279, 498, 558, 747, 1494, 2573, 5146, 7719, 15438, 23157, 46314, 688379, 1376758, 2065137, 4130274, 6195411, 12390822, 21339749, 42679498, 57135457, 64019247, 114270914, 128038494, 171406371, 192057741, 342812742, 384115482, 514219113, 1028438226, 1771199167, 3542398334, 5313597501, 10627195002, 15940792503, 31881585006]

約数ペア:

[(1, 31881585006), (2, 15940792503), (3, 10627195002), (6, 5313597501), (9, 3542398334), (18, 1771199167), (31, 1028438226), (62, 514219113), (83, 384115482), (93, 342812742), (166, 192057741), (186, 171406371), (249, 128038494), (279, 114270914), (498, 64019247), (558, 57135457), (747, 42679498), (1494, 21339749), (2573, 12390822), (5146, 6195411), (7719, 4130274), (15438, 2065137), (23157, 1376758), (46314, 688379)]