2499536

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{197}}^1$

素因数の和:279

約数の個数: 40

約数和(自身を含む): 5327784

約数和(自身を除く): 2828248

約数列:

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

約数ペア:

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