408030402

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{163}}^1\times {\mathrm{479}}^1$

素因数の和:727

約数の個数: 64

約数和(自身を含む): 899297280

約数和(自身を除く): 491266878

約数列:

[1, 2, 3, 6, 13, 26, 39, 67, 78, 134, 163, 201, 326, 402, 479, 489, 871, 958, 978, 1437, 1742, 2119, 2613, 2874, 4238, 5226, 6227, 6357, 10921, 12454, 12714, 18681, 21842, 32093, 32763, 37362, 64186, 65526, 78077, 96279, 141973, 156154, 192558, 234231, 283946, 417209, 425919, 468462, 834418, 851838, 1015001, 1251627, 2030002, 2503254, 3045003, 5231159, 6090006, 10462318, 15693477, 31386954, 68005067, 136010134, 204015201, 408030402]

約数ペア:

[(1, 408030402), (2, 204015201), (3, 136010134), (6, 68005067), (13, 31386954), (26, 15693477), (39, 10462318), (67, 6090006), (78, 5231159), (134, 3045003), (163, 2503254), (201, 2030002), (326, 1251627), (402, 1015001), (479, 851838), (489, 834418), (871, 468462), (958, 425919), (978, 417209), (1437, 283946), (1742, 234231), (2119, 192558), (2613, 156154), (2874, 141973), (4238, 96279), (5226, 78077), (6227, 65526), (6357, 64186), (10921, 37362), (12454, 32763), (12714, 32093), (18681, 21842)]