1328427776

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{563}}^1\times {\mathrm{709}}^1$

素因数の和:1301

約数の個数: 72

約数和(自身を含む): 2864747760

約数和(自身を除く): 1536319984

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 256, 416, 563, 709, 832, 1126, 1418, 1664, 2252, 2836, 3328, 4504, 5672, 7319, 9008, 9217, 11344, 14638, 18016, 18434, 22688, 29276, 36032, 36868, 45376, 58552, 72064, 73736, 90752, 117104, 144128, 147472, 181504, 234208, 294944, 399167, 468416, 589888, 798334, 936832, 1179776, 1596668, 1873664, 2359552, 3193336, 5189171, 6386672, 10378342, 12773344, 20756684, 25546688, 41513368, 51093376, 83026736, 102186752, 166053472, 332106944, 664213888, 1328427776]

約数ペア:

[(1, 1328427776), (2, 664213888), (4, 332106944), (8, 166053472), (13, 102186752), (16, 83026736), (26, 51093376), (32, 41513368), (52, 25546688), (64, 20756684), (104, 12773344), (128, 10378342), (208, 6386672), (256, 5189171), (416, 3193336), (563, 2359552), (709, 1873664), (832, 1596668), (1126, 1179776), (1418, 936832), (1664, 798334), (2252, 589888), (2836, 468416), (3328, 399167), (4504, 294944), (5672, 234208), (7319, 181504), (9008, 147472), (9217, 144128), (11344, 117104), (14638, 90752), (18016, 73736), (18434, 72064), (22688, 58552), (29276, 45376), (36032, 36868)]