221409612

素因数分解:

$2^2\times 3^4\times {\mathrm{257}}^1\times {\mathrm{2659}}^1$

素因数の和:2932

約数の個数: 60

約数和(自身を含む): 581279160

約数和(自身を除く): 359869548

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 257, 324, 514, 771, 1028, 1542, 2313, 2659, 3084, 4626, 5318, 6939, 7977, 9252, 10636, 13878, 15954, 20817, 23931, 27756, 31908, 41634, 47862, 71793, 83268, 95724, 143586, 215379, 287172, 430758, 683363, 861516, 1366726, 2050089, 2733452, 4100178, 6150267, 8200356, 12300534, 18450801, 24601068, 36901602, 55352403, 73803204, 110704806, 221409612]

約数ペア:

[(1, 221409612), (2, 110704806), (3, 73803204), (4, 55352403), (6, 36901602), (9, 24601068), (12, 18450801), (18, 12300534), (27, 8200356), (36, 6150267), (54, 4100178), (81, 2733452), (108, 2050089), (162, 1366726), (257, 861516), (324, 683363), (514, 430758), (771, 287172), (1028, 215379), (1542, 143586), (2313, 95724), (2659, 83268), (3084, 71793), (4626, 47862), (5318, 41634), (6939, 31908), (7977, 27756), (9252, 23931), (10636, 20817), (13878, 15954)]