389984205

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{977}}^1$

素因数の和:1110

約数の個数: 64

約数和(自身を含む): 709793280

約数和(自身を除く): 319809075

約数列:

[1, 3, 5, 13, 15, 23, 39, 65, 69, 89, 115, 195, 267, 299, 345, 445, 897, 977, 1157, 1335, 1495, 2047, 2931, 3471, 4485, 4885, 5785, 6141, 10235, 12701, 14655, 17355, 22471, 26611, 30705, 38103, 63505, 67413, 79833, 86953, 112355, 133055, 190515, 260859, 292123, 337065, 399165, 434765, 876369, 1130389, 1304295, 1460615, 1999919, 3391167, 4381845, 5651945, 5999757, 9999595, 16955835, 25998947, 29998785, 77996841, 129994735, 389984205]

約数ペア:

[(1, 389984205), (3, 129994735), (5, 77996841), (13, 29998785), (15, 25998947), (23, 16955835), (39, 9999595), (65, 5999757), (69, 5651945), (89, 4381845), (115, 3391167), (195, 1999919), (267, 1460615), (299, 1304295), (345, 1130389), (445, 876369), (897, 434765), (977, 399165), (1157, 337065), (1335, 292123), (1495, 260859), (2047, 190515), (2931, 133055), (3471, 112355), (4485, 86953), (4885, 79833), (5785, 67413), (6141, 63505), (10235, 38103), (12701, 30705), (14655, 26611), (17355, 22471)]