643053866

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{307}}^1\times {\mathrm{677}}^1$

素因数の和:1023

約数の個数: 64

約数和(自身を含む): 1262967552

約数和(自身を除く): 619913686

約数列:

[1, 2, 7, 13, 14, 17, 26, 34, 91, 119, 182, 221, 238, 307, 442, 614, 677, 1354, 1547, 2149, 3094, 3991, 4298, 4739, 5219, 7982, 8801, 9478, 10438, 11509, 17602, 23018, 27937, 36533, 55874, 61607, 67847, 73066, 80563, 123214, 135694, 149617, 161126, 207839, 299234, 415678, 474929, 949858, 1047319, 1454873, 2094638, 2701907, 2909746, 3533263, 5403814, 7066526, 18913349, 24732841, 37826698, 45932419, 49465682, 91864838, 321526933, 643053866]

約数ペア:

[(1, 643053866), (2, 321526933), (7, 91864838), (13, 49465682), (14, 45932419), (17, 37826698), (26, 24732841), (34, 18913349), (91, 7066526), (119, 5403814), (182, 3533263), (221, 2909746), (238, 2701907), (307, 2094638), (442, 1454873), (614, 1047319), (677, 949858), (1354, 474929), (1547, 415678), (2149, 299234), (3094, 207839), (3991, 161126), (4298, 149617), (4739, 135694), (5219, 123214), (7982, 80563), (8801, 73066), (9478, 67847), (10438, 61607), (11509, 55874), (17602, 36533), (23018, 27937)]