289375268

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{11197}}^1$

素因数の和:11292

約数の個数: 48

約数和(自身を含む): 632104704

約数和(自身を除く): 342729436

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 71, 91, 142, 182, 284, 364, 497, 923, 994, 1846, 1988, 3692, 6461, 11197, 12922, 22394, 25844, 44788, 78379, 145561, 156758, 291122, 313516, 582244, 794987, 1018927, 1589974, 2037854, 3179948, 4075708, 5564909, 10334831, 11129818, 20669662, 22259636, 41339324, 72343817, 144687634, 289375268]

約数ペア:

[(1, 289375268), (2, 144687634), (4, 72343817), (7, 41339324), (13, 22259636), (14, 20669662), (26, 11129818), (28, 10334831), (52, 5564909), (71, 4075708), (91, 3179948), (142, 2037854), (182, 1589974), (284, 1018927), (364, 794987), (497, 582244), (923, 313516), (994, 291122), (1846, 156758), (1988, 145561), (3692, 78379), (6461, 44788), (11197, 25844), (12922, 22394)]