81335952

素因数分解:

$2^4\times 3^2\times {\mathrm{29}}^1\times {\mathrm{19477}}^1$

素因数の和:19520

約数の個数: 60

約数和(自身を含む): 235489020

約数和(自身を除く): 154153068

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 29, 36, 48, 58, 72, 87, 116, 144, 174, 232, 261, 348, 464, 522, 696, 1044, 1392, 2088, 4176, 19477, 38954, 58431, 77908, 116862, 155816, 175293, 233724, 311632, 350586, 467448, 564833, 701172, 934896, 1129666, 1402344, 1694499, 2259332, 2804688, 3388998, 4518664, 5083497, 6777996, 9037328, 10166994, 13555992, 20333988, 27111984, 40667976, 81335952]

約数ペア:

[(1, 81335952), (2, 40667976), (3, 27111984), (4, 20333988), (6, 13555992), (8, 10166994), (9, 9037328), (12, 6777996), (16, 5083497), (18, 4518664), (24, 3388998), (29, 2804688), (36, 2259332), (48, 1694499), (58, 1402344), (72, 1129666), (87, 934896), (116, 701172), (144, 564833), (174, 467448), (232, 350586), (261, 311632), (348, 233724), (464, 175293), (522, 155816), (696, 116862), (1044, 77908), (1392, 58431), (2088, 38954), (4176, 19477)]