28385344

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{313}}^1$

素因数の和:447

約数の個数: 56

約数和(自身を含む): 61412120

約数和(自身を除く): 33026776

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 109, 208, 218, 313, 416, 436, 626, 832, 872, 1252, 1417, 1744, 2504, 2834, 3488, 4069, 5008, 5668, 6976, 8138, 10016, 11336, 16276, 20032, 22672, 32552, 34117, 45344, 65104, 68234, 90688, 130208, 136468, 260416, 272936, 443521, 545872, 887042, 1091744, 1774084, 2183488, 3548168, 7096336, 14192672, 28385344]

約数ペア:

[(1, 28385344), (2, 14192672), (4, 7096336), (8, 3548168), (13, 2183488), (16, 1774084), (26, 1091744), (32, 887042), (52, 545872), (64, 443521), (104, 272936), (109, 260416), (208, 136468), (218, 130208), (313, 90688), (416, 68234), (436, 65104), (626, 45344), (832, 34117), (872, 32552), (1252, 22672), (1417, 20032), (1744, 16276), (2504, 11336), (2834, 10016), (3488, 8138), (4069, 6976), (5008, 5668)]