64312352

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{4987}}^1$

素因数の和:5041

約数の個数: 48

約数和(自身を含む): 140781312

約数和(自身を除く): 76468960

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 52, 62, 104, 124, 208, 248, 403, 416, 496, 806, 992, 1612, 3224, 4987, 6448, 9974, 12896, 19948, 39896, 64831, 79792, 129662, 154597, 159584, 259324, 309194, 518648, 618388, 1037296, 1236776, 2009761, 2074592, 2473552, 4019522, 4947104, 8039044, 16078088, 32156176, 64312352]

約数ペア:

[(1, 64312352), (2, 32156176), (4, 16078088), (8, 8039044), (13, 4947104), (16, 4019522), (26, 2473552), (31, 2074592), (32, 2009761), (52, 1236776), (62, 1037296), (104, 618388), (124, 518648), (208, 309194), (248, 259324), (403, 159584), (416, 154597), (496, 129662), (806, 79792), (992, 64831), (1612, 39896), (3224, 19948), (4987, 12896), (6448, 9974)]