728205408

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{361213}}^1$

素因数の和:361236

約数の個数: 72

約数和(自身を含む): 2366674128

約数和(自身を除く): 1638468720

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 56, 63, 72, 84, 96, 112, 126, 144, 168, 224, 252, 288, 336, 504, 672, 1008, 2016, 361213, 722426, 1083639, 1444852, 2167278, 2528491, 2889704, 3250917, 4334556, 5056982, 5779408, 6501834, 7585473, 8669112, 10113964, 11558816, 13003668, 15170946, 17338224, 20227928, 22756419, 26007336, 30341892, 34676448, 40455856, 45512838, 52014672, 60683784, 80911712, 91025676, 104029344, 121367568, 182051352, 242735136, 364102704, 728205408]

約数ペア:

[(1, 728205408), (2, 364102704), (3, 242735136), (4, 182051352), (6, 121367568), (7, 104029344), (8, 91025676), (9, 80911712), (12, 60683784), (14, 52014672), (16, 45512838), (18, 40455856), (21, 34676448), (24, 30341892), (28, 26007336), (32, 22756419), (36, 20227928), (42, 17338224), (48, 15170946), (56, 13003668), (63, 11558816), (72, 10113964), (84, 8669112), (96, 7585473), (112, 6501834), (126, 5779408), (144, 5056982), (168, 4334556), (224, 3250917), (252, 2889704), (288, 2528491), (336, 2167278), (504, 1444852), (672, 1083639), (1008, 722426), (2016, 361213)]