218368898

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{181}}^1$

素因数の和:315

約数の個数: 64

約数和(自身を含む): 389975040

約数和(自身を除く): 171606142

約数列:

[1, 2, 11, 22, 29, 31, 58, 61, 62, 122, 181, 319, 341, 362, 638, 671, 682, 899, 1342, 1769, 1798, 1891, 1991, 3538, 3782, 3982, 5249, 5611, 9889, 10498, 11041, 11222, 19459, 19778, 20801, 22082, 38918, 41602, 54839, 57739, 61721, 109678, 115478, 121451, 123442, 162719, 242902, 320189, 325438, 342271, 603229, 640378, 684542, 1206458, 1789909, 3522079, 3579818, 3764981, 7044158, 7529962, 9925859, 19851718, 109184449, 218368898]

約数ペア:

[(1, 218368898), (2, 109184449), (11, 19851718), (22, 9925859), (29, 7529962), (31, 7044158), (58, 3764981), (61, 3579818), (62, 3522079), (122, 1789909), (181, 1206458), (319, 684542), (341, 640378), (362, 603229), (638, 342271), (671, 325438), (682, 320189), (899, 242902), (1342, 162719), (1769, 123442), (1798, 121451), (1891, 115478), (1991, 109678), (3538, 61721), (3782, 57739), (3982, 54839), (5249, 41602), (5611, 38918), (9889, 22082), (10498, 20801), (11041, 19778), (11222, 19459)]