721998252

素因数分解:

$2^2\times 3^3\times {\mathrm{19}}^1\times {\mathrm{351851}}^1$

素因数の和:351883

約数の個数: 48

約数和(自身を含む): 1970371200

約数和(自身を除く): 1248372948

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 27, 36, 38, 54, 57, 76, 108, 114, 171, 228, 342, 513, 684, 1026, 2052, 351851, 703702, 1055553, 1407404, 2111106, 3166659, 4222212, 6333318, 6685169, 9499977, 12666636, 13370338, 18999954, 20055507, 26740676, 37999908, 40111014, 60166521, 80222028, 120333042, 180499563, 240666084, 360999126, 721998252]

約数ペア:

[(1, 721998252), (2, 360999126), (3, 240666084), (4, 180499563), (6, 120333042), (9, 80222028), (12, 60166521), (18, 40111014), (19, 37999908), (27, 26740676), (36, 20055507), (38, 18999954), (54, 13370338), (57, 12666636), (76, 9499977), (108, 6685169), (114, 6333318), (171, 4222212), (228, 3166659), (342, 2111106), (513, 1407404), (684, 1055553), (1026, 703702), (2052, 351851)]