646896978

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{394931}}^1$

素因数の和:394959

約数の個数: 48

約数和(自身を含む): 1725062976

約数和(自身を除く): 1078165998

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 39, 42, 63, 78, 91, 117, 126, 182, 234, 273, 546, 819, 1638, 394931, 789862, 1184793, 2369586, 2764517, 3554379, 5134103, 5529034, 7108758, 8293551, 10268206, 15402309, 16587102, 24880653, 30804618, 35938721, 46206927, 49761306, 71877442, 92413854, 107816163, 215632326, 323448489, 646896978]

約数ペア:

[(1, 646896978), (2, 323448489), (3, 215632326), (6, 107816163), (7, 92413854), (9, 71877442), (13, 49761306), (14, 46206927), (18, 35938721), (21, 30804618), (26, 24880653), (39, 16587102), (42, 15402309), (63, 10268206), (78, 8293551), (91, 7108758), (117, 5529034), (126, 5134103), (182, 3554379), (234, 2764517), (273, 2369586), (546, 1184793), (819, 789862), (1638, 394931)]