399211328

素因数分解:

$2^6\times {\mathrm{61}}^1\times {\mathrm{293}}^1\times {\mathrm{349}}^1$

素因数の和:715

約数の個数: 56

約数和(自身を含む): 810234600

約数和(自身を除く): 411023272

約数列:

[1, 2, 4, 8, 16, 32, 61, 64, 122, 244, 293, 349, 488, 586, 698, 976, 1172, 1396, 1952, 2344, 2792, 3904, 4688, 5584, 9376, 11168, 17873, 18752, 21289, 22336, 35746, 42578, 71492, 85156, 102257, 142984, 170312, 204514, 285968, 340624, 409028, 571936, 681248, 818056, 1143872, 1362496, 1636112, 3272224, 6237677, 6544448, 12475354, 24950708, 49901416, 99802832, 199605664, 399211328]

約数ペア:

[(1, 399211328), (2, 199605664), (4, 99802832), (8, 49901416), (16, 24950708), (32, 12475354), (61, 6544448), (64, 6237677), (122, 3272224), (244, 1636112), (293, 1362496), (349, 1143872), (488, 818056), (586, 681248), (698, 571936), (976, 409028), (1172, 340624), (1396, 285968), (1952, 204514), (2344, 170312), (2792, 142984), (3904, 102257), (4688, 85156), (5584, 71492), (9376, 42578), (11168, 35746), (17873, 22336), (18752, 21289)]