209273918

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{307}}^1$

素因数の和:441

約数の個数: 64

約数和(自身を含む): 393845760

約数和(自身を除く): 184571842

約数列:

[1, 2, 7, 14, 23, 29, 46, 58, 73, 146, 161, 203, 307, 322, 406, 511, 614, 667, 1022, 1334, 1679, 2117, 2149, 3358, 4234, 4298, 4669, 7061, 8903, 9338, 11753, 14122, 14819, 17806, 22411, 23506, 29638, 44822, 48691, 49427, 62321, 97382, 98854, 124642, 156877, 204769, 313754, 340837, 409538, 515453, 649919, 681674, 1030906, 1299838, 1433383, 2866766, 3608171, 4549433, 7216342, 9098866, 14948137, 29896274, 104636959, 209273918]

約数ペア:

[(1, 209273918), (2, 104636959), (7, 29896274), (14, 14948137), (23, 9098866), (29, 7216342), (46, 4549433), (58, 3608171), (73, 2866766), (146, 1433383), (161, 1299838), (203, 1030906), (307, 681674), (322, 649919), (406, 515453), (511, 409538), (614, 340837), (667, 313754), (1022, 204769), (1334, 156877), (1679, 124642), (2117, 98854), (2149, 97382), (3358, 62321), (4234, 49427), (4298, 48691), (4669, 44822), (7061, 29638), (8903, 23506), (9338, 22411), (11753, 17806), (14122, 14819)]