211034915

素因数分解:

$5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{383}}^1$

素因数の和:588

約数の個数: 48

約数和(自身を含む): 319915008

約数和(自身を除く): 108880093

約数列:

[1, 5, 7, 13, 35, 49, 65, 91, 173, 245, 383, 455, 637, 865, 1211, 1915, 2249, 2681, 3185, 4979, 6055, 8477, 11245, 13405, 15743, 18767, 24895, 34853, 42385, 66259, 78715, 93835, 110201, 174265, 243971, 331295, 463813, 551005, 861367, 1219855, 2319065, 3246691, 4306835, 6029569, 16233455, 30147845, 42206983, 211034915]

約数ペア:

[(1, 211034915), (5, 42206983), (7, 30147845), (13, 16233455), (35, 6029569), (49, 4306835), (65, 3246691), (91, 2319065), (173, 1219855), (245, 861367), (383, 551005), (455, 463813), (637, 331295), (865, 243971), (1211, 174265), (1915, 110201), (2249, 93835), (2681, 78715), (3185, 66259), (4979, 42385), (6055, 34853), (8477, 24895), (11245, 18767), (13405, 15743)]