2478902972

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{219683}}^1$

素因数の和:219738

約数の個数: 48

約数和(自身を含む): 5511432192

約数和(自身を除く): 3032529220

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 31, 52, 62, 91, 124, 182, 217, 364, 403, 434, 806, 868, 1612, 2821, 5642, 11284, 219683, 439366, 878732, 1537781, 2855879, 3075562, 5711758, 6151124, 6810173, 11423516, 13620346, 19991153, 27240692, 39982306, 47671211, 79964612, 88532249, 95342422, 177064498, 190684844, 354128996, 619725743, 1239451486, 2478902972]

約数ペア:

[(1, 2478902972), (2, 1239451486), (4, 619725743), (7, 354128996), (13, 190684844), (14, 177064498), (26, 95342422), (28, 88532249), (31, 79964612), (52, 47671211), (62, 39982306), (91, 27240692), (124, 19991153), (182, 13620346), (217, 11423516), (364, 6810173), (403, 6151124), (434, 5711758), (806, 3075562), (868, 2855879), (1612, 1537781), (2821, 878732), (5642, 439366), (11284, 219683)]