161844676

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{1361}}^1$

素因数の和:1540

約数の個数: 48

約数和(自身を含む): 336817152

約数和(自身を除く): 174972476

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 137, 217, 274, 434, 548, 868, 959, 1361, 1918, 2722, 3836, 4247, 5444, 8494, 9527, 16988, 19054, 29729, 38108, 42191, 59458, 84382, 118916, 168764, 186457, 295337, 372914, 590674, 745828, 1181348, 1305199, 2610398, 5220796, 5780167, 11560334, 23120668, 40461169, 80922338, 161844676]

約数ペア:

[(1, 161844676), (2, 80922338), (4, 40461169), (7, 23120668), (14, 11560334), (28, 5780167), (31, 5220796), (62, 2610398), (124, 1305199), (137, 1181348), (217, 745828), (274, 590674), (434, 372914), (548, 295337), (868, 186457), (959, 168764), (1361, 118916), (1918, 84382), (2722, 59458), (3836, 42191), (4247, 38108), (5444, 29729), (8494, 19054), (9527, 16988)]