201688448

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{1987}}^1$

素因数の和:2075

約数の個数: 64

約数和(自身を含む): 440023920

約数和(自身を除く): 238335472

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 61, 64, 104, 122, 128, 208, 244, 416, 488, 793, 832, 976, 1586, 1664, 1952, 1987, 3172, 3904, 3974, 6344, 7808, 7948, 12688, 15896, 25376, 25831, 31792, 50752, 51662, 63584, 101504, 103324, 121207, 127168, 206648, 242414, 254336, 413296, 484828, 826592, 969656, 1575691, 1653184, 1939312, 3151382, 3306368, 3878624, 6302764, 7757248, 12605528, 15514496, 25211056, 50422112, 100844224, 201688448]

約数ペア:

[(1, 201688448), (2, 100844224), (4, 50422112), (8, 25211056), (13, 15514496), (16, 12605528), (26, 7757248), (32, 6302764), (52, 3878624), (61, 3306368), (64, 3151382), (104, 1939312), (122, 1653184), (128, 1575691), (208, 969656), (244, 826592), (416, 484828), (488, 413296), (793, 254336), (832, 242414), (976, 206648), (1586, 127168), (1664, 121207), (1952, 103324), (1987, 101504), (3172, 63584), (3904, 51662), (3974, 50752), (6344, 31792), (7808, 25831), (7948, 25376), (12688, 15896)]