28991104

素因数分解:

$2^7\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1$

素因数の和:201

約数の個数: 64

約数和(自身を含む): 60710400

約数和(自身を除く): 31719296

約数列:

[1, 2, 4, 8, 16, 32, 47, 61, 64, 79, 94, 122, 128, 158, 188, 244, 316, 376, 488, 632, 752, 976, 1264, 1504, 1952, 2528, 2867, 3008, 3713, 3904, 4819, 5056, 5734, 6016, 7426, 7808, 9638, 10112, 11468, 14852, 19276, 22936, 29704, 38552, 45872, 59408, 77104, 91744, 118816, 154208, 183488, 226493, 237632, 308416, 366976, 452986, 475264, 616832, 905972, 1811944, 3623888, 7247776, 14495552, 28991104]

約数ペア:

[(1, 28991104), (2, 14495552), (4, 7247776), (8, 3623888), (16, 1811944), (32, 905972), (47, 616832), (61, 475264), (64, 452986), (79, 366976), (94, 308416), (122, 237632), (128, 226493), (158, 183488), (188, 154208), (244, 118816), (316, 91744), (376, 77104), (488, 59408), (632, 45872), (752, 38552), (976, 29704), (1264, 22936), (1504, 19276), (1952, 14852), (2528, 11468), (2867, 10112), (3008, 9638), (3713, 7808), (3904, 7426), (4819, 6016), (5056, 5734)]