81428416

素因数分解:

$2^6\times {\mathrm{37}}^1\times {\mathrm{137}}^1\times {\mathrm{251}}^1$

素因数の和:437

約数の個数: 56

約数和(自身を含む): 167828976

約数和(自身を除く): 86400560

約数列:

[1, 2, 4, 8, 16, 32, 37, 64, 74, 137, 148, 251, 274, 296, 502, 548, 592, 1004, 1096, 1184, 2008, 2192, 2368, 4016, 4384, 5069, 8032, 8768, 9287, 10138, 16064, 18574, 20276, 34387, 37148, 40552, 68774, 74296, 81104, 137548, 148592, 162208, 275096, 297184, 324416, 550192, 594368, 1100384, 1272319, 2200768, 2544638, 5089276, 10178552, 20357104, 40714208, 81428416]

約数ペア:

[(1, 81428416), (2, 40714208), (4, 20357104), (8, 10178552), (16, 5089276), (32, 2544638), (37, 2200768), (64, 1272319), (74, 1100384), (137, 594368), (148, 550192), (251, 324416), (274, 297184), (296, 275096), (502, 162208), (548, 148592), (592, 137548), (1004, 81104), (1096, 74296), (1184, 68774), (2008, 40552), (2192, 37148), (2368, 34387), (4016, 20276), (4384, 18574), (5069, 16064), (8032, 10138), (8768, 9287)]