197831816

素因数分解:

$2^3\times 7^2\times {\mathrm{13}}^1\times {\mathrm{38821}}^1$

素因数の和:38854

約数の個数: 48

約数和(自身を含む): 464699340

約数和(自身を除く): 266867524

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 49, 52, 56, 91, 98, 104, 182, 196, 364, 392, 637, 728, 1274, 2548, 5096, 38821, 77642, 155284, 271747, 310568, 504673, 543494, 1009346, 1086988, 1902229, 2018692, 2173976, 3532711, 3804458, 4037384, 7065422, 7608916, 14130844, 15217832, 24728977, 28261688, 49457954, 98915908, 197831816]

約数ペア:

[(1, 197831816), (2, 98915908), (4, 49457954), (7, 28261688), (8, 24728977), (13, 15217832), (14, 14130844), (26, 7608916), (28, 7065422), (49, 4037384), (52, 3804458), (56, 3532711), (91, 2173976), (98, 2018692), (104, 1902229), (182, 1086988), (196, 1009346), (364, 543494), (392, 504673), (637, 310568), (728, 271747), (1274, 155284), (2548, 77642), (5096, 38821)]