1990263054

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{11593}}^1$

素因数の和:11713

約数の個数: 64

約数和(自身を含む): 4487712768

約数和(自身を除く): 2497449714

約数列:

[1, 2, 3, 6, 13, 26, 31, 39, 62, 71, 78, 93, 142, 186, 213, 403, 426, 806, 923, 1209, 1846, 2201, 2418, 2769, 4402, 5538, 6603, 11593, 13206, 23186, 28613, 34779, 57226, 69558, 85839, 150709, 171678, 301418, 359383, 452127, 718766, 823103, 904254, 1078149, 1646206, 2156298, 2469309, 4671979, 4938618, 9343958, 10700339, 14015937, 21400678, 25516193, 28031874, 32101017, 51032386, 64202034, 76548579, 153097158, 331710509, 663421018, 995131527, 1990263054]

約数ペア:

[(1, 1990263054), (2, 995131527), (3, 663421018), (6, 331710509), (13, 153097158), (26, 76548579), (31, 64202034), (39, 51032386), (62, 32101017), (71, 28031874), (78, 25516193), (93, 21400678), (142, 14015937), (186, 10700339), (213, 9343958), (403, 4938618), (426, 4671979), (806, 2469309), (923, 2156298), (1209, 1646206), (1846, 1078149), (2201, 904254), (2418, 823103), (2769, 718766), (4402, 452127), (5538, 359383), (6603, 301418), (11593, 171678), (13206, 150709), (23186, 85839), (28613, 69558), (34779, 57226)]