4999072

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{197}}^1$

素因数の和:281

約数の個数: 48

約数和(自身を含む): 10827432

約数和(自身を除く): 5828360

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 61, 104, 122, 197, 208, 244, 394, 416, 488, 788, 793, 976, 1576, 1586, 1952, 2561, 3152, 3172, 5122, 6304, 6344, 10244, 12017, 12688, 20488, 24034, 25376, 40976, 48068, 81952, 96136, 156221, 192272, 312442, 384544, 624884, 1249768, 2499536, 4999072]

約数ペア:

[(1, 4999072), (2, 2499536), (4, 1249768), (8, 624884), (13, 384544), (16, 312442), (26, 192272), (32, 156221), (52, 96136), (61, 81952), (104, 48068), (122, 40976), (197, 25376), (208, 24034), (244, 20488), (394, 12688), (416, 12017), (488, 10244), (788, 6344), (793, 6304), (976, 5122), (1576, 3172), (1586, 3152), (1952, 2561)]