31266910

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{31}}^1\times {\mathrm{349}}^1$

素因数の和:421

約数の個数: 48

約数和(自身を含む): 61891200

約数和(自身を除く): 30624290

約数列:

[1, 2, 5, 10, 17, 31, 34, 62, 85, 155, 170, 289, 310, 349, 527, 578, 698, 1054, 1445, 1745, 2635, 2890, 3490, 5270, 5933, 8959, 10819, 11866, 17918, 21638, 29665, 44795, 54095, 59330, 89590, 100861, 108190, 183923, 201722, 367846, 504305, 919615, 1008610, 1839230, 3126691, 6253382, 15633455, 31266910]

約数ペア:

[(1, 31266910), (2, 15633455), (5, 6253382), (10, 3126691), (17, 1839230), (31, 1008610), (34, 919615), (62, 504305), (85, 367846), (155, 201722), (170, 183923), (289, 108190), (310, 100861), (349, 89590), (527, 59330), (578, 54095), (698, 44795), (1054, 29665), (1445, 21638), (1745, 17918), (2635, 11866), (2890, 10819), (3490, 8959), (5270, 5933)]