1326121472

素因数分解:

$2^9\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{6427}}^1$

素因数の和:6489

約数の個数: 80

約数和(自身を含む): 2945978112

約数和(自身を除く): 1619856640

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 52, 62, 64, 104, 124, 128, 208, 248, 256, 403, 416, 496, 512, 806, 832, 992, 1612, 1664, 1984, 3224, 3328, 3968, 6427, 6448, 6656, 7936, 12854, 12896, 15872, 25708, 25792, 51416, 51584, 83551, 102832, 103168, 167102, 199237, 205664, 206336, 334204, 398474, 411328, 668408, 796948, 822656, 1336816, 1593896, 1645312, 2590081, 2673632, 3187792, 3290624, 5180162, 5347264, 6375584, 10360324, 10694528, 12751168, 20720648, 21389056, 25502336, 41441296, 42778112, 51004672, 82882592, 102009344, 165765184, 331530368, 663060736, 1326121472]

約数ペア:

[(1, 1326121472), (2, 663060736), (4, 331530368), (8, 165765184), (13, 102009344), (16, 82882592), (26, 51004672), (31, 42778112), (32, 41441296), (52, 25502336), (62, 21389056), (64, 20720648), (104, 12751168), (124, 10694528), (128, 10360324), (208, 6375584), (248, 5347264), (256, 5180162), (403, 3290624), (416, 3187792), (496, 2673632), (512, 2590081), (806, 1645312), (832, 1593896), (992, 1336816), (1612, 822656), (1664, 796948), (1984, 668408), (3224, 411328), (3328, 398474), (3968, 334204), (6427, 206336), (6448, 205664), (6656, 199237), (7936, 167102), (12854, 103168), (12896, 102832), (15872, 83551), (25708, 51584), (25792, 51416)]