128385752

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{227}}^1\times {\mathrm{6427}}^1$

素因数の和:6671

約数の個数: 32

約数和(自身を含む): 263805120

約数和(自身を除く): 135419368

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 227, 454, 908, 1816, 2497, 4994, 6427, 9988, 12854, 19976, 25708, 51416, 70697, 141394, 282788, 565576, 1458929, 2917858, 5835716, 11671432, 16048219, 32096438, 64192876, 128385752]

約数ペア:

[(1, 128385752), (2, 64192876), (4, 32096438), (8, 16048219), (11, 11671432), (22, 5835716), (44, 2917858), (88, 1458929), (227, 565576), (454, 282788), (908, 141394), (1816, 70697), (2497, 51416), (4994, 25708), (6427, 19976), (9988, 12854)]