138408972

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^2\times {\mathrm{139}}^1\times {\mathrm{491}}^1$

素因数の和:663

約数の個数: 72

約数和(自身を含む): 352941120

約数和(自身を除く): 214532148

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 139, 156, 169, 278, 338, 417, 491, 507, 556, 676, 834, 982, 1014, 1473, 1668, 1807, 1964, 2028, 2946, 3614, 5421, 5892, 6383, 7228, 10842, 12766, 19149, 21684, 23491, 25532, 38298, 46982, 68249, 70473, 76596, 82979, 93964, 136498, 140946, 165958, 204747, 248937, 272996, 281892, 331916, 409494, 497874, 818988, 887237, 995748, 1774474, 2661711, 3548948, 5323422, 10646844, 11534081, 23068162, 34602243, 46136324, 69204486, 138408972]

約数ペア:

[(1, 138408972), (2, 69204486), (3, 46136324), (4, 34602243), (6, 23068162), (12, 11534081), (13, 10646844), (26, 5323422), (39, 3548948), (52, 2661711), (78, 1774474), (139, 995748), (156, 887237), (169, 818988), (278, 497874), (338, 409494), (417, 331916), (491, 281892), (507, 272996), (556, 248937), (676, 204747), (834, 165958), (982, 140946), (1014, 136498), (1473, 93964), (1668, 82979), (1807, 76596), (1964, 70473), (2028, 68249), (2946, 46982), (3614, 38298), (5421, 25532), (5892, 23491), (6383, 21684), (7228, 19149), (10842, 12766)]